EHEIM Substrat is a high-performance biological filter media made from porous sintered glass, offering a large surface area for beneficial bacteria to thrive. It supports efficient breakdown of ammonia and nitrite, helping maintain stable and healthy water conditions in both freshwater and marine aquariums. Washable and reusable, it is ideal as a long-term biological filtration layer in canister and sump systems.
EHEIM Substrat is a high-performance biological filter media made from porous sintered glass, offering a large surface area for beneficial bacteria to thrive. It supports efficient breakdown of ammonia and nitrite, helping maintain stable and healthy water conditions in both freshwater and marine aquariums. Washable and reusable, it is ideal as a long-term biological filtration layer in canister and sump systems.
