Brightwell Bio Brick
$59.99
The Brightwell XPORT BIO Brick is a porous ceramic biological filtration block that houses beneficial bacteria. Size: 9" x 4.5" x 2.5".
Why We Use It
A big boost of surface area for nitrifying bacteria in a clean, stackable block. Great for sumps and bare-bottom tanks.
Use: Rinse and place in a flow area of the sump. Seed with bottled bacteria to speed up colonization.
