{"title":"Rock Hard By Dan","description":"\u003cp\u003e\u003cstrong\u003eRock Hard By Dan\u003c\/strong\u003e is a custom reef structure line designed to bring your ideas to life and give your aquarium a one-of-a-kind aquascape. Our reef-safe, rock-scaped structures are made with reef-keeping in mind and can be customized to fit your tank, livestock, coral placement, existing rockwork, and personal style. Whether you’re looking for caves, arches, shelves, towers, overhangs, tunnels, coral-mounting areas, frag structures, fish habitats, or a completely original centerpiece, \u003cstrong\u003eyou can request it and we’ll work toward designing it\u003c\/strong\u003e. Instead of settling for mass-produced aquarium decorations that may not fit your tank or vision, Rock Hard By Dan allows you to create something specifically for your setup. Send us measurements, pictures, sketches, inspiration, or simply describe what you have in mind, and we can turn your concept into a custom design. Our goal is to create functional, unique structures that add depth, height, negative space, hiding areas, coral placement opportunities, and visual character to your reef while eventually becoming part of the natural look of your aquarium as coralline algae, microorganisms, and coral growth develop over time. Whether you’re building a nano reef, large display tank, peninsula, frag system, or something completely different.\u003c\/p\u003e","products":[{"product_id":"gyarados-rock-decor","title":"Gyarados Rock Decor","description":"\u003cp\u003e\u003cstrong\u003eRock Hard By Dan\u003c\/strong\u003e is a custom reef structure line designed to bring your ideas to life and give your aquarium a one-of-a-kind aquascape. Our reef-safe, rock-scaped structures are made with reef-keeping in mind and can be customized to fit your tank, livestock, coral placement, existing rockwork, and personal style.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e-Measurements may vary slightly-\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhether you’re looking for caves, arches, shelves, towers, overhangs, tunnels, coral-mounting areas, frag structures, fish habitats, or a completely original centerpiece, \u003cstrong\u003eyou can request it and we’ll work toward designing it\u003c\/strong\u003e. Instead of settling for mass-produced aquarium decorations that may not fit your tank or vision, Rock Hard By Dan allows you to create something specifically for your setup. Send us measurements, pictures, sketches, inspiration, or simply describe what you have in mind, and we can turn your concept into a custom design. Our goal is to create functional, unique structures that add depth, height, negative space, hiding areas, coral placement opportunities, and visual character to your reef while eventually becoming part of the natural look of your aquarium as coralline algae, microorganisms, and coral growth develop over time. Whether you’re building a nano reef, large display tank, peninsula, frag system, or something completely different.\u003c\/p\u003e","brand":"Koral King","offers":[{"title":"Default Title","offer_id":53099253432640,"sku":null,"price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0551\/9697\/5302\/files\/Gyarados1.jpg?v=1788471283"},{"product_id":"ray-rock-decor","title":"Ray Rock Decor","description":"\u003cp\u003e\u003cstrong\u003eRock Hard By Dan\u003c\/strong\u003e is a custom reef structure line designed to bring your ideas to life and give your aquarium a one-of-a-kind aquascape. Our reef-safe, rock-scaped structures are made with reef-keeping in mind and can be customized to fit your tank, livestock, coral placement, existing rockwork, and personal style.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e-Measurements may vary slightly-\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e Whether you’re looking for caves, arches, shelves, towers, overhangs, tunnels, coral-mounting areas, frag structures, fish habitats, or a completely original centerpiece, \u003cstrong\u003eyou can request it and we’ll work toward designing it\u003c\/strong\u003e. Instead of settling for mass-produced aquarium decorations that may not fit your tank or vision, Rock Hard By Dan allows you to create something specifically for your setup. Send us measurements, pictures, sketches, inspiration, or simply describe what you have in mind, and we can turn your concept into a custom design. Our goal is to create functional, unique structures that add depth, height, negative space, hiding areas, coral placement opportunities, and visual character to your reef while eventually becoming part of the natural look of your aquarium as coralline algae, microorganisms, and coral growth develop over time. Whether you’re building a nano reef, large display tank, peninsula, frag system, or something completely different.\u003c\/p\u003e","brand":"Koral King","offers":[{"title":"Default Title","offer_id":53099307303232,"sku":null,"price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0551\/9697\/5302\/files\/Ray1.jpg?v=1788472241"},{"product_id":"gator-rock-decor","title":"Gator Rock Decor","description":"\u003cp\u003e\u003cstrong\u003eRock Hard By Dan\u003c\/strong\u003e is a custom reef structure line designed to bring your ideas to life and give your aquarium a one-of-a-kind aquascape. Our reef-safe, rock-scaped structures are made with reef-keeping in mind and can be customized to fit your tank, livestock, coral placement, existing rockwork, and personal style.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e-Measurements may vary slightly-\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhether you’re looking for caves, arches, shelves, towers, overhangs, tunnels, coral-mounting areas, frag structures, fish habitats, or a completely original centerpiece, \u003cstrong\u003eyou can request it and we’ll work toward designing it\u003c\/strong\u003e. Instead of settling for mass-produced aquarium decorations that may not fit your tank or vision, Rock Hard By Dan allows you to create something specifically for your setup. Send us measurements, pictures, sketches, inspiration, or simply describe what you have in mind, and we can turn your concept into a custom design. Our goal is to create functional, unique structures that add depth, height, negative space, hiding areas, coral placement opportunities, and visual character to your reef while eventually becoming part of the natural look of your aquarium as coralline algae, microorganisms, and coral growth develop over time. Whether you’re building a nano reef, large display tank, peninsula, frag system, or something completely different.\u003c\/p\u003e","brand":"Koral King","offers":[{"title":"Default Title","offer_id":53099327226176,"sku":null,"price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0551\/9697\/5302\/files\/Gator1.jpg?v=1788472664"},{"product_id":"hammer-head-shark-rock-decor","title":"Hammer Head Shark Rock Decor","description":"\u003cp\u003e\u003cstrong\u003eRock Hard By Dan\u003c\/strong\u003e is a custom reef structure line designed to bring your ideas to life and give your aquarium a one-of-a-kind aquascape. Our reef-safe, rock-scaped structures are made with reef-keeping in mind and can be customized to fit your tank, livestock, coral placement, existing rockwork, and personal style.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e-Measurements may vary slightly-\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhether you’re looking for caves, arches, shelves, towers, overhangs, tunnels, coral-mounting areas, frag structures, fish habitats, or a completely original centerpiece, \u003cstrong\u003eyou can request it and we’ll work toward designing it\u003c\/strong\u003e. Instead of settling for mass-produced aquarium decorations that may not fit your tank or vision, Rock Hard By Dan allows you to create something specifically for your setup. Send us measurements, pictures, sketches, inspiration, or simply describe what you have in mind, and we can turn your concept into a custom design. Our goal is to create functional, unique structures that add depth, height, negative space, hiding areas, coral placement opportunities, and visual character to your reef while eventually becoming part of the natural look of your aquarium as coralline algae, microorganisms, and coral growth develop over time. Whether you’re building a nano reef, large display tank, peninsula, frag system, or something completely different.\u003c\/p\u003e","brand":"Koral King","offers":[{"title":"Default Title","offer_id":53099357831488,"sku":null,"price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0551\/9697\/5302\/files\/Shark1.jpg?v=1788473295"},{"product_id":"oynx-rock-decor","title":"Onyx Rock Decor","description":"\u003cp\u003e\u003cstrong\u003eRock Hard By Dan\u003c\/strong\u003e is a custom reef structure line designed to bring your ideas to life and give your aquarium a one-of-a-kind aquascape. Our reef-safe, rock-scaped structures are made with reef-keeping in mind and can be customized to fit your tank, livestock, coral placement, existing rockwork, and personal style.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e-Measurements may vary slightly-\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhether you’re looking for caves, arches, shelves, towers, overhangs, tunnels, coral-mounting areas, frag structures, fish habitats, or a completely original centerpiece, \u003cstrong\u003eyou can request it and we’ll work toward designing it\u003c\/strong\u003e. Instead of settling for mass-produced aquarium decorations that may not fit your tank or vision, Rock Hard By Dan allows you to create something specifically for your setup. Send us measurements, pictures, sketches, inspiration, or simply describe what you have in mind, and we can turn your concept into a custom design. Our goal is to create functional, unique structures that add depth, height, negative space, hiding areas, coral placement opportunities, and visual character to your reef while eventually becoming part of the natural look of your aquarium as coralline algae, microorganisms, and coral growth develop over time. Whether you’re building a nano reef, large display tank, peninsula, frag system, or something completely different.\u003c\/p\u003e","brand":"Koral King","offers":[{"title":"Default Title","offer_id":53099382407488,"sku":null,"price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0551\/9697\/5302\/files\/Oynx1.jpg?v=1788473731"},{"product_id":"gorilla-rock-decor","title":"Gorilla Rock Decor","description":"\u003cp\u003e\u003cstrong\u003eRock Hard By Dan\u003c\/strong\u003e is a custom reef structure line designed to bring your ideas to life and give your aquarium a one-of-a-kind aquascape. Our reef-safe, rock-scaped structures are made with reef-keeping in mind and can be customized to fit your tank, livestock, coral placement, existing rockwork, and personal style. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e-Measurements may vary slightly-\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhether you’re looking for caves, arches, shelves, towers, overhangs, tunnels, coral-mounting areas, frag structures, fish habitats, or a completely original centerpiece, \u003cstrong\u003eyou can request it and we’ll work toward designing it\u003c\/strong\u003e. Instead of settling for mass-produced aquarium decorations that may not fit your tank or vision, Rock Hard By Dan allows you to create something specifically for your setup. Send us measurements, pictures, sketches, inspiration, or simply describe what you have in mind, and we can turn your concept into a custom design. Our goal is to create functional, unique structures that add depth, height, negative space, hiding areas, coral placement opportunities, and visual character to your reef while eventually becoming part of the natural look of your aquarium as coralline algae, microorganisms, and coral growth develop over time. Whether you’re building a nano reef, large display tank, peninsula, frag system, or something completely different.\u003c\/p\u003e","brand":"Koral King","offers":[{"title":"Default Title","offer_id":53099491459392,"sku":null,"price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0551\/9697\/5302\/files\/Gorilla1.jpg?v=1788474846"},{"product_id":"elk-rock-decor","title":"Elk Rock Decor","description":"\u003cp\u003e\u003cstrong\u003eRock Hard By Dan\u003c\/strong\u003e is a custom reef structure line designed to bring your ideas to life and give your aquarium a one-of-a-kind aquascape. Our reef-safe, rock-scaped structures are made with reef-keeping in mind and can be customized to fit your tank, livestock, coral placement, existing rockwork, and personal style.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e-Measurements may vary slightly-\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhether you’re looking for caves, arches, shelves, towers, overhangs, tunnels, coral-mounting areas, frag structures, fish habitats, or a completely original centerpiece, \u003cstrong\u003eyou can request it and we’ll work toward designing it\u003c\/strong\u003e. Instead of settling for mass-produced aquarium decorations that may not fit your tank or vision, Rock Hard By Dan allows you to create something specifically for your setup. Send us measurements, pictures, sketches, inspiration, or simply describe what you have in mind, and we can turn your concept into a custom design. Our goal is to create functional, unique structures that add depth, height, negative space, hiding areas, coral placement opportunities, and visual character to your reef while eventually becoming part of the natural look of your aquarium as coralline algae, microorganisms, and coral growth develop over time. Whether you’re building a nano reef, large display tank, peninsula, frag system, or something completely different.\u003c\/p\u003e","brand":"Koral King","offers":[{"title":"Default Title","offer_id":53099567382848,"sku":null,"price":199.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0551\/9697\/5302\/files\/Elk1.jpg?v=1788475965"},{"product_id":"custom-rock","title":"Custom Rock","description":"\u003cp\u003e\u003cstrong\u003eUPLOAD DESIGN \u003ca href=\"https:\/\/koralking.com\/pages\/rock-hard-by-dan#kk-rockhard-form\"\u003eHERE\u003c\/a\u003e!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis is where a custom Rock Hard By Dan piece becomes yours. Every custom rock starts on our Custom Request page — you send Dan photos, sketches, or just a description of what you're picturing, he creates it from scratch, and once your design is confirmed, you check out here at the size that fits it.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSizing is based on height\u003c\/strong\u003e (width tops out at 9\" on every size):\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmall\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e— 2–4in tall\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedium\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e— 4–6in tall\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e— 6–8in tall\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eX-Large\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e— 9–11in tall\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eEvery piece is created from scratch, one at a time — no two exactly alike. Caves, arches, shelves, towers, overhangs, tunnels, coral-mounting areas, frag structures, fish habitats, or a completely original centerpiece — if you can picture it for your reef, we'll build it.\u003c\/p\u003e\n\u003cp\u003eCustom pieces are created and cured to order — please allow 2–3 weeks before it ships. Measurements may vary slightly, since every piece is hand-built rather than mass-produced.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eHaven't submitted a custom request yet? Upload your request \u003cstrong\u003e\u003ca href=\"https:\/\/koralking.com\/pages\/rock-hard-by-dan#kk-rockhard-form\"\u003eHERE\u003c\/a\u003e\u003c\/strong\u003e.\u003c\/em\u003e\u003c\/p\u003e","brand":"Koral King","offers":[{"title":"Small","offer_id":53106766938432,"sku":null,"price":59.99,"currency_code":"USD","in_stock":true},{"title":"Medium","offer_id":53106766971200,"sku":null,"price":119.99,"currency_code":"USD","in_stock":true},{"title":"Large","offer_id":53106767003968,"sku":null,"price":179.99,"currency_code":"USD","in_stock":true},{"title":"X-Large","offer_id":53106767036736,"sku":null,"price":199.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0551\/9697\/5302\/files\/kk-rock-custom-1.png?v=1788641545"},{"product_id":"imperial-rock-decor","title":"Imperial Rock Decor","description":"\u003cp\u003e\u003cstrong\u003eRock Hard By Dan\u003c\/strong\u003e is a custom reef structure line designed to bring your ideas to life and give your aquarium a one-of-a-kind aquascape. Our reef-safe, rock-scaped structures are made with reef-keeping in mind and can be customized to fit your tank, livestock, coral placement, existing rockwork, and personal style.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e-Measurements may vary slightly-\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhether you’re looking for caves, arches, shelves, towers, overhangs, tunnels, coral-mounting areas, frag structures, fish habitats, or a completely original centerpiece, \u003cstrong\u003eyou can request it and we’ll work toward designing it\u003c\/strong\u003e. Instead of settling for mass-produced aquarium decorations that may not fit your tank or vision, Rock Hard By Dan allows you to create something specifically for your setup. Send us measurements, pictures, sketches, inspiration, or simply describe what you have in mind, and we can turn your concept into a custom design. Our goal is to create functional, unique structures that add depth, height, negative space, hiding areas, coral placement opportunities, and visual character to your reef while eventually becoming part of the natural look of your aquarium as coralline algae, microorganisms, and coral growth develop over time. Whether you’re building a nano reef, large display tank, peninsula, frag system, or something completely different.\u003c\/p\u003e","brand":"Koral King","offers":[{"title":"Default Title","offer_id":53110919987520,"sku":null,"price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0551\/9697\/5302\/files\/Destroyer1.jpg?v=1788808420"},{"product_id":"eevee-rock-decor","title":"Eevee Rock Decor","description":"\u003cp\u003e\u003cstrong\u003eRock Hard By Dan\u003c\/strong\u003e is a custom reef structure line designed to bring your ideas to life and give your aquarium a one-of-a-kind aquascape. Our reef-safe, rock-scaped structures are made with reef-keeping in mind and can be customized to fit your tank, livestock, coral placement, existing rockwork, and personal style.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e-Measurements may vary slightly-\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhether you’re looking for caves, arches, shelves, towers, overhangs, tunnels, coral-mounting areas, frag structures, fish habitats, or a completely original centerpiece, \u003cstrong\u003eyou can request it and we’ll work toward designing it\u003c\/strong\u003e. Instead of settling for mass-produced aquarium decorations that may not fit your tank or vision, Rock Hard By Dan allows you to create something specifically for your setup. Send us measurements, pictures, sketches, inspiration, or simply describe what you have in mind, and we can turn your concept into a custom design. Our goal is to create functional, unique structures that add depth, height, negative space, hiding areas, coral placement opportunities, and visual character to your reef while eventually becoming part of the natural look of your aquarium as coralline algae, microorganisms, and coral growth develop over time. Whether you’re building a nano reef, large display tank, peninsula, frag system, or something completely different.\u003c\/p\u003e","brand":"Koral King","offers":[{"title":"Default Title","offer_id":53110946627904,"sku":null,"price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0551\/9697\/5302\/files\/Eevee1.jpg?v=1788809922"},{"product_id":"buddy-the-unicorn-rock-decor","title":"Buddy The Unicorn Rock Decor","description":"\u003cp\u003e\u003cstrong\u003eRock Hard By Dan\u003c\/strong\u003e is a custom reef structure line designed to bring your ideas to life and give your aquarium a one-of-a-kind aquascape. Our reef-safe, rock-scaped structures are made with reef-keeping in mind and can be customized to fit your tank, livestock, coral placement, existing rockwork, and personal style.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e-Measurements may vary slightly-\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhether you’re looking for caves, arches, shelves, towers, overhangs, tunnels, coral-mounting areas, frag structures, fish habitats, or a completely original centerpiece, \u003cstrong\u003eyou can request it and we’ll work toward designing it\u003c\/strong\u003e. Instead of settling for mass-produced aquarium decorations that may not fit your tank or vision, Rock Hard By Dan allows you to create something specifically for your setup. Send us measurements, pictures, sketches, inspiration, or simply describe what you have in mind, and we can turn your concept into a custom design. Our goal is to create functional, unique structures that add depth, height, negative space, hiding areas, coral placement opportunities, and visual character to your reef while eventually becoming part of the natural look of your aquarium as coralline algae, microorganisms, and coral growth develop over time. Whether you’re building a nano reef, large display tank, peninsula, frag system, or something completely different.\u003c\/p\u003e","brand":"Koral King","offers":[{"title":"Default Title","offer_id":53110960488768,"sku":null,"price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0551\/9697\/5302\/files\/UnicornMeasurements.jpg?v=1788810493"},{"product_id":"gengar-rock-decor","title":"Gengar Rock Decor","description":"\u003cp\u003e\u003cstrong\u003eRock Hard By Dan\u003c\/strong\u003e is a custom reef structure line designed to bring your ideas to life and give your aquarium a one-of-a-kind aquascape. Our reef-safe, rock-scaped structures are made with reef-keeping in mind and can be customized to fit your tank, livestock, coral placement, existing rockwork, and personal style.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e-Measurements may vary slightly-\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhether you’re looking for caves, arches, shelves, towers, overhangs, tunnels, coral-mounting areas, frag structures, fish habitats, or a completely original centerpiece, \u003cstrong\u003eyou can request it and we’ll work toward designing it\u003c\/strong\u003e. Instead of settling for mass-produced aquarium decorations that may not fit your tank or vision, Rock Hard By Dan allows you to create something specifically for your setup. Send us measurements, pictures, sketches, inspiration, or simply describe what you have in mind, and we can turn your concept into a custom design. Our goal is to create functional, unique structures that add depth, height, negative space, hiding areas, coral placement opportunities, and visual character to your reef while eventually becoming part of the natural look of your aquarium as coralline algae, microorganisms, and coral growth develop over time. Whether you’re building a nano reef, large display tank, peninsula, frag system, or something completely different.\u003c\/p\u003e","brand":"Koral King","offers":[{"title":"Default Title","offer_id":53110964191552,"sku":null,"price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0551\/9697\/5302\/files\/Gengar1.jpg?v=1788810947"},{"product_id":"cthulu-rock-decor","title":"Cthulhu Rock Decor","description":"\u003cp\u003e\u003cstrong\u003eRock Hard By Dan\u003c\/strong\u003e is a custom reef structure line designed to bring your ideas to life and give your aquarium a one-of-a-kind aquascape. Our reef-safe, rock-scaped structures are made with reef-keeping in mind and can be customized to fit your tank, livestock, coral placement, existing rockwork, and personal style.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e-Measurements may vary slightly-\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhether you’re looking for caves, arches, shelves, towers, overhangs, tunnels, coral-mounting areas, frag structures, fish habitats, or a completely original centerpiece, \u003cstrong\u003eyou can request it and we’ll work toward designing it\u003c\/strong\u003e. Instead of settling for mass-produced aquarium decorations that may not fit your tank or vision, Rock Hard By Dan allows you to create something specifically for your setup. Send us measurements, pictures, sketches, inspiration, or simply describe what you have in mind, and we can turn your concept into a custom design. Our goal is to create functional, unique structures that add depth, height, negative space, hiding areas, coral placement opportunities, and visual character to your reef while eventually becoming part of the natural look of your aquarium as coralline algae, microorganisms, and coral growth develop over time. Whether you’re building a nano reef, large display tank, peninsula, frag system, or something completely different.\u003c\/p\u003e","brand":"Koral King","offers":[{"title":"Default Title","offer_id":53111061545280,"sku":null,"price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0551\/9697\/5302\/files\/OctopusGuy.jpg?v=1788817727"},{"product_id":"shrek-rock-decor","title":"Shrek Rock Decor","description":"\u003cp\u003e\u003cstrong\u003eRock Hard By Dan\u003c\/strong\u003e is a custom reef structure line designed to bring your ideas to life and give your aquarium a one-of-a-kind aquascape. Our reef-safe, rock-scaped structures are made with reef-keeping in mind and can be customized to fit your tank, livestock, coral placement, existing rockwork, and personal style.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e-Measurements may vary slightly-\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhether you’re looking for caves, arches, shelves, towers, overhangs, tunnels, coral-mounting areas, frag structures, fish habitats, or a completely original centerpiece, \u003cstrong\u003eyou can request it and we’ll work toward designing it\u003c\/strong\u003e. Instead of settling for mass-produced aquarium decorations that may not fit your tank or vision, Rock Hard By Dan allows you to create something specifically for your setup. Send us measurements, pictures, sketches, inspiration, or simply describe what you have in mind, and we can turn your concept into a custom design. Our goal is to create functional, unique structures that add depth, height, negative space, hiding areas, coral placement opportunities, and visual character to your reef while eventually becoming part of the natural look of your aquarium as coralline algae, microorganisms, and coral growth develop over time. Whether you’re building a nano reef, large display tank, peninsula, frag system, or something completely different.\u003c\/p\u003e","brand":"Koral King","offers":[{"title":"Default Title","offer_id":53196139790656,"sku":null,"price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0551\/9697\/5302\/files\/shrek.jpg?v=1790031445"},{"product_id":"dilophosaurus-rock-decor-copy","title":"Dilophosaurus Rock Decor","description":"\u003cp\u003e\u003cstrong\u003eRock Hard By Dan\u003c\/strong\u003e is a custom reef structure line designed to bring your ideas to life and give your aquarium a one-of-a-kind aquascape. Our reef-safe, rock-scaped structures are made with reef-keeping in mind and can be customized to fit your tank, livestock, coral placement, existing rockwork, and personal style.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e-Measurements may vary slightly-\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhether you’re looking for caves, arches, shelves, towers, overhangs, tunnels, coral-mounting areas, frag structures, fish habitats, or a completely original centerpiece, \u003cstrong\u003eyou can request it and we’ll work toward designing it\u003c\/strong\u003e. Instead of settling for mass-produced aquarium decorations that may not fit your tank or vision, Rock Hard By Dan allows you to create something specifically for your setup. Send us measurements, pictures, sketches, inspiration, or simply describe what you have in mind, and we can turn your concept into a custom design. Our goal is to create functional, unique structures that add depth, height, negative space, hiding areas, coral placement opportunities, and visual character to your reef while eventually becoming part of the natural look of your aquarium as coralline algae, microorganisms, and coral growth develop over time. Whether you’re building a nano reef, large display tank, peninsula, frag system, or something completely different.\u003c\/p\u003e","brand":"Koral King","offers":[{"title":"Default Title","offer_id":53196172755264,"sku":null,"price":199.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0551\/9697\/5302\/files\/dino3.jpg?v=1790031870"},{"product_id":"idk-rock-decor","title":"Lewis St Cardinals Logo Rock Decor","description":"\u003cp\u003e\u003cstrong\u003eRock Hard By Dan\u003c\/strong\u003e is a custom reef structure line designed to bring your ideas to life and give your aquarium a one-of-a-kind aquascape. Our reef-safe, rock-scaped structures are made with reef-keeping in mind and can be customized to fit your tank, livestock, coral placement, existing rockwork, and personal style.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e-Measurements may vary slightly-\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhether you’re looking for caves, arches, shelves, towers, overhangs, tunnels, coral-mounting areas, frag structures, fish habitats, or a completely original centerpiece, \u003cstrong\u003eyou can request it and we’ll work toward designing it\u003c\/strong\u003e. Instead of settling for mass-produced aquarium decorations that may not fit your tank or vision, Rock Hard By Dan allows you to create something specifically for your setup. Send us measurements, pictures, sketches, inspiration, or simply describe what you have in mind, and we can turn your concept into a custom design. Our goal is to create functional, unique structures that add depth, height, negative space, hiding areas, coral placement opportunities, and visual character to your reef while eventually becoming part of the natural look of your aquarium as coralline algae, microorganisms, and coral growth develop over time. Whether you’re building a nano reef, large display tank, peninsula, frag system, or something completely different.\u003c\/p\u003e","brand":"Koral King","offers":[{"title":"Default Title","offer_id":53196181274944,"sku":null,"price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0551\/9697\/5302\/files\/cash.jpg?v=1790032093"},{"product_id":"t-rex-rock-decor","title":"T-Rex Rock Decor","description":"\u003cp\u003e\u003cstrong\u003eRock Hard By Dan\u003c\/strong\u003e is a custom reef structure line designed to bring your ideas to life and give your aquarium a one-of-a-kind aquascape. Our reef-safe, rock-scaped structures are made with reef-keeping in mind and can be customized to fit your tank, livestock, coral placement, existing rockwork, and personal style.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e-Measurements may vary slightly-\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhether you’re looking for caves, arches, shelves, towers, overhangs, tunnels, coral-mounting areas, frag structures, fish habitats, or a completely original centerpiece, \u003cstrong\u003eyou can request it and we’ll work toward designing it\u003c\/strong\u003e. Instead of settling for mass-produced aquarium decorations that may not fit your tank or vision, Rock Hard By Dan allows you to create something specifically for your setup. Send us measurements, pictures, sketches, inspiration, or simply describe what you have in mind, and we can turn your concept into a custom design. Our goal is to create functional, unique structures that add depth, height, negative space, hiding areas, coral placement opportunities, and visual character to your reef while eventually becoming part of the natural look of your aquarium as coralline algae, microorganisms, and coral growth develop over time. Whether you’re building a nano reef, large display tank, peninsula, frag system, or something completely different.\u003c\/p\u003e","brand":"Koral King","offers":[{"title":"Default Title","offer_id":53196186911040,"sku":null,"price":119.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0551\/9697\/5302\/files\/trex.jpg?v=1790032263"},{"product_id":"whale-tail-rock-decor","title":"Whale Tail Rock Decor","description":"\u003cp\u003e\u003cstrong\u003eRock Hard By Dan\u003c\/strong\u003e is a custom reef structure line designed to bring your ideas to life and give your aquarium a one-of-a-kind aquascape. Our reef-safe, rock-scaped structures are made with reef-keeping in mind and can be customized to fit your tank, livestock, coral placement, existing rockwork, and personal style.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e-Measurements may vary slightly-\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhether you’re looking for caves, arches, shelves, towers, overhangs, tunnels, coral-mounting areas, frag structures, fish habitats, or a completely original centerpiece, \u003cstrong\u003eyou can request it and we’ll work toward designing it\u003c\/strong\u003e. Instead of settling for mass-produced aquarium decorations that may not fit your tank or vision, Rock Hard By Dan allows you to create something specifically for your setup. Send us measurements, pictures, sketches, inspiration, or simply describe what you have in mind, and we can turn your concept into a custom design. Our goal is to create functional, unique structures that add depth, height, negative space, hiding areas, coral placement opportunities, and visual character to your reef while eventually becoming part of the natural look of your aquarium as coralline algae, microorganisms, and coral growth develop over time. Whether you’re building a nano reef, large display tank, peninsula, frag system, or something completely different.\u003c\/p\u003e","brand":"Koral King","offers":[{"title":"Default Title","offer_id":67653846106432,"sku":null,"price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0551\/9697\/5302\/files\/wahletail1.jpg?v=1790804107"},{"product_id":"pikachu-rock-decor","title":"Pikachu Rock Decor","description":"\u003cp\u003e\u003cstrong\u003eRock Hard By Dan\u003c\/strong\u003e is a custom reef structure line designed to bring your ideas to life and give your aquarium a one-of-a-kind aquascape. Our reef-safe, rock-scaped structures are made with reef-keeping in mind and can be customized to fit your tank, livestock, coral placement, existing rockwork, and personal style.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e-Measurements may vary slightly-\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhether you’re looking for caves, arches, shelves, towers, overhangs, tunnels, coral-mounting areas, frag structures, fish habitats, or a completely original centerpiece, \u003cstrong\u003eyou can request it and we’ll work toward designing it\u003c\/strong\u003e. Instead of settling for mass-produced aquarium decorations that may not fit your tank or vision, Rock Hard By Dan allows you to create something specifically for your setup. Send us measurements, pictures, sketches, inspiration, or simply describe what you have in mind, and we can turn your concept into a custom design. Our goal is to create functional, unique structures that add depth, height, negative space, hiding areas, coral placement opportunities, and visual character to your reef while eventually becoming part of the natural look of your aquarium as coralline algae, microorganisms, and coral growth develop over time. Whether you’re building a nano reef, large display tank, peninsula, frag system, or something completely different.\u003c\/p\u003e","brand":"Koral King","offers":[{"title":"Default Title","offer_id":67654229262656,"sku":null,"price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0551\/9697\/5302\/files\/pika1.jpg?v=1790805467"},{"product_id":"skull-face-rock-decor","title":"Skull Face Rock Decor","description":"\u003cp\u003e\u003cstrong\u003eRock Hard By Dan\u003c\/strong\u003e is a custom reef structure line designed to bring your ideas to life and give your aquarium a one-of-a-kind aquascape. Our reef-safe, rock-scaped structures are made with reef-keeping in mind and can be customized to fit your tank, livestock, coral placement, existing rockwork, and personal style.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e-Measurements may vary slightly-\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhether you’re looking for caves, arches, shelves, towers, overhangs, tunnels, coral-mounting areas, frag structures, fish habitats, or a completely original centerpiece, \u003cstrong\u003eyou can request it and we’ll work toward designing it\u003c\/strong\u003e. Instead of settling for mass-produced aquarium decorations that may not fit your tank or vision, Rock Hard By Dan allows you to create something specifically for your setup. Send us measurements, pictures, sketches, inspiration, or simply describe what you have in mind, and we can turn your concept into a custom design. Our goal is to create functional, unique structures that add depth, height, negative space, hiding areas, coral placement opportunities, and visual character to your reef while eventually becoming part of the natural look of your aquarium as coralline algae, microorganisms, and coral growth develop over time. Whether you’re building a nano reef, large display tank, peninsula, frag system, or something completely different.\u003c\/p\u003e","brand":"Koral King","offers":[{"title":"Black Skull","offer_id":67654908477760,"sku":null,"price":34.99,"currency_code":"USD","in_stock":true},{"title":"White Skull","offer_id":67654908510528,"sku":null,"price":34.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0551\/9697\/5302\/files\/skulls.jpg?v=1790808367"},{"product_id":"orca-rock-decor","title":"Orca Rock Decor","description":"\u003cp\u003e\u003cstrong\u003eRock Hard By Dan\u003c\/strong\u003e is a custom reef structure line designed to bring your ideas to life and give your aquarium a one-of-a-kind aquascape. Our reef-safe, rock-scaped structures are made with reef-keeping in mind and can be customized to fit your tank, livestock, coral placement, existing rockwork, and personal style.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e-Measurements may vary slightly-\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhether you’re looking for caves, arches, shelves, towers, overhangs, tunnels, coral-mounting areas, frag structures, fish habitats, or a completely original centerpiece, \u003cstrong\u003eyou can request it and we’ll work toward designing it\u003c\/strong\u003e. Instead of settling for mass-produced aquarium decorations that may not fit your tank or vision, Rock Hard By Dan allows you to create something specifically for your setup. Send us measurements, pictures, sketches, inspiration, or simply describe what you have in mind, and we can turn your concept into a custom design. Our goal is to create functional, unique structures that add depth, height, negative space, hiding areas, coral placement opportunities, and visual character to your reef while eventually becoming part of the natural look of your aquarium as coralline algae, microorganisms, and coral growth develop over time. Whether you’re building a nano reef, large display tank, peninsula, frag system, or something completely different.\u003c\/p\u003e","brand":"Koral King","offers":[{"title":"Default Title","offer_id":67691158995264,"sku":null,"price":79.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0551\/9697\/5302\/files\/orca1.jpg?v=1790975392"},{"product_id":"kyogre-rock-decor","title":"Kyogre Rock Decor","description":"\u003cp\u003e\u003cstrong\u003eRock Hard By Dan\u003c\/strong\u003e is a custom reef structure line designed to bring your ideas to life and give your aquarium a one-of-a-kind aquascape. Our reef-safe, rock-scaped structures are made with reef-keeping in mind and can be customized to fit your tank, livestock, coral placement, existing rockwork, and personal style.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e-Measurements may vary slightly-\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhether you’re looking for caves, arches, shelves, towers, overhangs, tunnels, coral-mounting areas, frag structures, fish habitats, or a completely original centerpiece, \u003cstrong\u003eyou can request it and we’ll work toward designing it\u003c\/strong\u003e. Instead of settling for mass-produced aquarium decorations that may not fit your tank or vision, Rock Hard By Dan allows you to create something specifically for your setup. Send us measurements, pictures, sketches, inspiration, or simply describe what you have in mind, and we can turn your concept into a custom design. Our goal is to create functional, unique structures that add depth, height, negative space, hiding areas, coral placement opportunities, and visual character to your reef while eventually becoming part of the natural look of your aquarium as coralline algae, microorganisms, and coral growth develop over time. Whether you’re building a nano reef, large display tank, peninsula, frag system, or something completely different.\u003c\/p\u003e","brand":"Koral King","offers":[{"title":"Default Title","offer_id":67740289761600,"sku":null,"price":79.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0551\/9697\/5302\/files\/pokemonrock4.jpg?v=1791572397"},{"product_id":"octopus-rock-decor","title":"Octopus Rock Decor","description":"\u003cp\u003e\u003cstrong\u003eRock Hard By Dan\u003c\/strong\u003e is a custom reef structure line designed to bring your ideas to life and give your aquarium a one-of-a-kind aquascape. Our reef-safe, rock-scaped structures are made with reef-keeping in mind and can be customized to fit your tank, livestock, coral placement, existing rockwork, and personal style.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e-Measurements may vary slightly-\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhether you’re looking for caves, arches, shelves, towers, overhangs, tunnels, coral-mounting areas, frag structures, fish habitats, or a completely original centerpiece, \u003cstrong\u003eyou can request it and we’ll work toward designing it\u003c\/strong\u003e. Instead of settling for mass-produced aquarium decorations that may not fit your tank or vision, Rock Hard By Dan allows you to create something specifically for your setup. Send us measurements, pictures, sketches, inspiration, or simply describe what you have in mind, and we can turn your concept into a custom design. Our goal is to create functional, unique structures that add depth, height, negative space, hiding areas, coral placement opportunities, and visual character to your reef while eventually becoming part of the natural look of your aquarium as coralline algae, microorganisms, and coral growth develop over time. Whether you’re building a nano reef, large display tank, peninsula, frag system, or something completely different.\u003c\/p\u003e","brand":"Koral King","offers":[{"title":"Default Title","offer_id":67740336095552,"sku":null,"price":79.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0551\/9697\/5302\/files\/octopus2.jpg?v=1791573098"},{"product_id":"cat-rock-decor","title":"Cat Rock Decor","description":"\u003cp\u003e\u003cstrong\u003eRock Hard By Dan\u003c\/strong\u003e is a custom reef structure line designed to bring your ideas to life and give your aquarium a one-of-a-kind aquascape. Our reef-safe, rock-scaped structures are made with reef-keeping in mind and can be customized to fit your tank, livestock, coral placement, existing rockwork, and personal style.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e-Measurements may vary slightly-\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhether you’re looking for caves, arches, shelves, towers, overhangs, tunnels, coral-mounting areas, frag structures, fish habitats, or a completely original centerpiece, \u003cstrong\u003eyou can request it and we’ll work toward designing it\u003c\/strong\u003e. Instead of settling for mass-produced aquarium decorations that may not fit your tank or vision, Rock Hard By Dan allows you to create something specifically for your setup. Send us measurements, pictures, sketches, inspiration, or simply describe what you have in mind, and we can turn your concept into a custom design. Our goal is to create functional, unique structures that add depth, height, negative space, hiding areas, coral placement opportunities, and visual character to your reef while eventually becoming part of the natural look of your aquarium as coralline algae, microorganisms, and coral growth develop over time. Whether you’re building a nano reef, large display tank, peninsula, frag system, or something completely different.\u003c\/p\u003e","brand":"Koral King","offers":[{"title":"Default Title","offer_id":67740347629888,"sku":null,"price":79.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0551\/9697\/5302\/files\/cat1.jpg?v=1791573453"},{"product_id":"frankensten-rock-decor","title":"Frankenstein Rock Decor","description":"\u003cp\u003e\u003cstrong\u003eRock Hard By Dan\u003c\/strong\u003e is a custom reef structure line designed to bring your ideas to life and give your aquarium a one-of-a-kind aquascape. Our reef-safe, rock-scaped structures are made with reef-keeping in mind and can be customized to fit your tank, livestock, coral placement, existing rockwork, and personal style.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e-Measurements may vary slightly-\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhether you’re looking for caves, arches, shelves, towers, overhangs, tunnels, coral-mounting areas, frag structures, fish habitats, or a completely original centerpiece, \u003cstrong\u003eyou can request it and we’ll work toward designing it\u003c\/strong\u003e. Instead of settling for mass-produced aquarium decorations that may not fit your tank or vision, Rock Hard By Dan allows you to create something specifically for your setup. Send us measurements, pictures, sketches, inspiration, or simply describe what you have in mind, and we can turn your concept into a custom design. Our goal is to create functional, unique structures that add depth, height, negative space, hiding areas, coral placement opportunities, and visual character to your reef while eventually becoming part of the natural look of your aquarium as coralline algae, microorganisms, and coral growth develop over time. Whether you’re building a nano reef, large display tank, peninsula, frag system, or something completely different.\u003c\/p\u003e","brand":"Koral King","offers":[{"title":"Default Title","offer_id":67740361457984,"sku":null,"price":79.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0551\/9697\/5302\/files\/frankenstien1.jpg?v=1791573878"},{"product_id":"lego-head-rock-decor","title":"Lego Head Rock Decor","description":"\u003cp\u003e\u003cstrong\u003eRock Hard By Dan\u003c\/strong\u003e is a custom reef structure line designed to bring your ideas to life and give your aquarium a one-of-a-kind aquascape. Our reef-safe, rock-scaped structures are made with reef-keeping in mind and can be customized to fit your tank, livestock, coral placement, existing rockwork, and personal style.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e-Measurements may vary slightly-\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhether you’re looking for caves, arches, shelves, towers, overhangs, tunnels, coral-mounting areas, frag structures, fish habitats, or a completely original centerpiece, \u003cstrong\u003eyou can request it and we’ll work toward designing it\u003c\/strong\u003e. Instead of settling for mass-produced aquarium decorations that may not fit your tank or vision, Rock Hard By Dan allows you to create something specifically for your setup. Send us measurements, pictures, sketches, inspiration, or simply describe what you have in mind, and we can turn your concept into a custom design. Our goal is to create functional, unique structures that add depth, height, negative space, hiding areas, coral placement opportunities, and visual character to your reef while eventually becoming part of the natural look of your aquarium as coralline algae, microorganisms, and coral growth develop over time. Whether you’re building a nano reef, large display tank, peninsula, frag system, or something completely different.\u003c\/p\u003e","brand":"Koral King","offers":[{"title":"Default Title","offer_id":67742618747200,"sku":null,"price":79.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0551\/9697\/5302\/files\/legorockdecor.jpg?v=1791649473"},{"product_id":"blastoise-rock-decor","title":"Blastoise Rock Decor","description":"\u003cp\u003e\u003cstrong\u003eRock Hard By Dan\u003c\/strong\u003e is a custom reef structure line designed to bring your ideas to life and give your aquarium a one-of-a-kind aquascape. Our reef-safe, rock-scaped structures are made with reef-keeping in mind and can be customized to fit your tank, livestock, coral placement, existing rockwork, and personal style.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e-Measurements may vary slightly-\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhether you’re looking for caves, arches, shelves, towers, overhangs, tunnels, coral-mounting areas, frag structures, fish habitats, or a completely original centerpiece, \u003cstrong\u003eyou can request it and we’ll work toward designing it\u003c\/strong\u003e. Instead of settling for mass-produced aquarium decorations that may not fit your tank or vision, Rock Hard By Dan allows you to create something specifically for your setup. Send us measurements, pictures, sketches, inspiration, or simply describe what you have in mind, and we can turn your concept into a custom design. Our goal is to create functional, unique structures that add depth, height, negative space, hiding areas, coral placement opportunities, and visual character to your reef while eventually becoming part of the natural look of your aquarium as coralline algae, microorganisms, and coral growth develop over time. Whether you’re building a nano reef, large display tank, peninsula, frag system, or something completely different.\u003c\/p\u003e","brand":"Koral King","offers":[{"title":"Default Title","offer_id":67742622318912,"sku":null,"price":69.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0551\/9697\/5302\/files\/blastorisem.jpg?v=1791649820"},{"product_id":"spider-rock-decor","title":"Spider Rock Decor","description":"\u003cp\u003e\u003cstrong\u003eRock Hard By Dan\u003c\/strong\u003e is a custom reef structure line designed to bring your ideas to life and give your aquarium a one-of-a-kind aquascape. Our reef-safe, rock-scaped structures are made with reef-keeping in mind and can be customized to fit your tank, livestock, coral placement, existing rockwork, and personal style.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e-Measurements may vary slightly-\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhether you’re looking for caves, arches, shelves, towers, overhangs, tunnels, coral-mounting areas, frag structures, fish habitats, or a completely original centerpiece, \u003cstrong\u003eyou can request it and we’ll work toward designing it\u003c\/strong\u003e. Instead of settling for mass-produced aquarium decorations that may not fit your tank or vision, Rock Hard By Dan allows you to create something specifically for your setup. Send us measurements, pictures, sketches, inspiration, or simply describe what you have in mind, and we can turn your concept into a custom design. Our goal is to create functional, unique structures that add depth, height, negative space, hiding areas, coral placement opportunities, and visual character to your reef while eventually becoming part of the natural look of your aquarium as coralline algae, microorganisms, and coral growth develop over time. Whether you’re building a nano reef, large display tank, peninsula, frag system, or something completely different.\u003c\/p\u003e","brand":"Koral King","offers":[{"title":"Default Title","offer_id":67742685462848,"sku":null,"price":69.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0551\/9697\/5302\/files\/spider1.jpg?v=1791653086"},{"product_id":"macro-rocks-nano-shelf-rock-bag","title":"Marco Rocks Nano Shelf Rock Bag","description":"\u003cp\u003eA small bag of Marco Rocks shelf rock pieces sized for nano tanks.\u003c\/p\u003e\u003ch4\u003eWhy We Use It\u003c\/h4\u003e\u003cp\u003eFlat shelf pieces make it easy to build ledges and overhangs for corals in small tanks, and Marco Rocks are clean, dry and reef-safe.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eUse:\u003c\/strong\u003e Rinse before use. Since it's dry rock, it will need to be seeded with bacteria during your tank's cycle.\u003c\/p\u003e","brand":"Koral King","offers":[{"title":"Default Title","offer_id":67783191986496,"sku":null,"price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0551\/9697\/5302\/files\/marco-rocks-nano-shelf-zak-MR-NANO-SHELF_1.jpg?v=1792191049"},{"product_id":"macro-rocks-nano-shelf-rock-bag-coralline","title":"Marco Rocks Nano Frag Mounts Rock Bag (Coralline)","description":"\u003cp\u003eA small bag of Marco Rocks coralline-coated frag mounts sized for nano tanks.\u003c\/p\u003e\u003ch4\u003eWhy We Use It\u003c\/h4\u003e\u003cp\u003eMarco Rocks are clean, dry, reef-safe rock. Small pieces like these are perfect for mounting frags or adding detail to a nano aquascape, and the coralline coating gives a more natural, established look.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eUse:\u003c\/strong\u003e Rinse before use. Glue frags on with coral glue or putty.\u003c\/p\u003e","brand":"Koral King","offers":[{"title":"Default Title","offer_id":67783194673472,"sku":null,"price":53.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0551\/9697\/5302\/files\/s-l1600_1.webp?v=1792191125"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0551\/9697\/5302\/collections\/ChatGPT_Image_Sep_3_2026_06_57_01_PM.png?v=1788476262","url":"https:\/\/koralking.com\/collections\/pristine-rock.oembed?page=2","provider":"Koral King","version":"1.0","type":"link"}