EHEIM SUBSTRAT 1L

EHEIM SUBSTRAT is a high-performance biological filter medium designed for freshwater aquariums. Made from highly porous sintered glass, it provides an expansive surface area of 450 m² per liter, creating ideal colonization conditions for essential purification bacteria. This standard bio-filter medium can be utilized in single or multiple layers within various aquarium filter systems, including external canisters. Its robust structure allows for multiple uses; simply rinse carefully with clean water during maintenance to preserve the bacterial colonies. By facilitating efficient biological filtration, EHEIM SUBSTRAT helps maintain a stable and healthy aquatic environment for your fish and plants.