Product Description
Biologically intensive filter media. Converts ammonia and nitrite into relatively non-toxic nitrate. With over 450 ml per litre (18,300 sq. ft. per U.S. gal.)
Biologically intensive filter media. Converts ammonia and nitrite into relatively non-toxic nitrate. With over 450 ml per litre (18,300 sq. ft. per U.S. gal.) EHEIM SUBSTRAT is a specially designed sintered glass. Bacteria are able to stick better to a surface which has a complex pore system. SUBSTRAT has been specially developed to offer optimum sites for bacteria colonization. The effectiveness of these bacteria is linked to how much oxygen and toxins can flow by. With faster decomposition of toxins compared to other media.
