0.63” x 0.4” Bio Comb Fluidized Bed Bio Media - 1 Cubic Foot

Bio Comb transforms toxic ammonia into nitrite, and then into non-toxic nitrate, an essential nutrient used as the primary source of nitrogen for aquatic plants. Bio-Comb allow you to come safely maintain higher fish loads with the same pump and filter. Bio-Comb are very compact and can create a huge benefit in your feature, without taking up much space.