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Eheim Ehfisubstrat (2.0L)
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To create
biologically sound water as found in nature, you need Ehfisubstrat.
Biological filtering is based on a natural decomposition of harmful
substances using helpful bacteria. They convert ammonia and nitrite into
relatively non-toxic nitrate. The efficiency of biological filtration is
limited by the media that bacteria are growing on. With over 450 ml per
liter (22, 000sq. ft. per lmp. gal. / 18, 3000 sq. ft. per U.S. gal.)
Ehfisubstrat is a specially designed sintered glass. Bacteria are able
to stick better to a surface which has a complex pore system.
Ehfisubstrat 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. Highly effective, economically priced,
it is one of the best biological medias available to aquarium hobbyists.
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