Fritz Zyme 7 - Freshwater Nitrifying Bacteria - - 8OZ is backordered and will ship as soon as it is back in stock. Please email us for an ETA.
Fritz Zyme 7 - Freshwater Nitrifying Bacteria -FritzZyme 7 contains specific strains of live nitrifying bacteria proven to reduce fish loss due to toxic levels of ammonia and nitrite.
