XPort Bio dimpled brick 9″ x 4.5″ x 2.5″ media for bactaria
Use one XPort Bio Brick for every 1,000 U.S. gallons of system capacity, more for heavy bio loads. Rinse material well with aquarium water or purified tap water. For superior results, seed the material using FlorinBacter or MicroBacter7 as appropriate for your aquarium. 9″ x 4.5″ x 2.5″.