AquaClear BioMax 30 Filter Insert - Aquarium Filter Media for AquaClear 30 & 150 Filters, 65g

AquaClear 30 BioMax Filter Insert provides an optimal environment for the colonization and growth of beneficial bacteria which is essential for effective biological filtration and water purification. BioMax s complex bio-ring pore structure allows beneficial toxin-reducing bacteria to thrive. By reducing toxins such as ammonia and nitrite BioMax effectively increases biological filtration efficiency by 30%.