9 Saltwater Live Nitrifying Bacteria 8 ozFritzZyme 9 contains specific strains of live nitrifying bacteria proven to reduce fish loss due to toxic levels of ammonia and nitrite...
Fritz Zyme 360 Freshwater Aquarium Cleaner 8 OzFritzZyme 360 is a powerful probiotic blend of naturally occurring, environmentally friendly, live heterotrophic bacteria capable of digesting organic sludge common in aquariums...