Fritz Aquatics 80223 FritzZyme 7 Nitrifying Bacteria for Fresh Water Aquariums
Fritz Aquatics 80223 FritzZyme 7 Nitrifying Bacteria for Fresh Water Aquariums, 1-Gallon. FritzZyme 7 contains specific strains of live nitrifying bacteria proven to reduce fish loss due to toxic levels of ammonia and nitrite. Nitrifying bacteria can take weeks to naturally establish colonies in new aquariums while ammonia and nitrite can reach lethal levels in
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