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Something Fishy :: Aquarium Supplies :: Filters, Reactors & Filter Media :: Filter Media & Bags :: Seachem :: Seachem Purigen 250ml
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De*Nitrate is an economical, natural, porous material with a pore distribution and geometry that promotes both aerobic nitrification within the first few millimeters of depth and anaerobic denitrification at the core. The material has a high surface area and supports a high density of bacteria. For Freshwater & Marine.
Seachem de*nitrate - 100 ml