Fritz FritzZyme 7 Freshwater Live Nitrifying Bacteria 8 fl oz

FritzZyme 7 contains specific strains of live nitrifying bacteria proven to reduce fish loss due to toxic levels of ammonia and nitrite.

• Use Instructions: For new systems, dose 4oz (119 ml / ½ cup) per 10 US gallons (38 L). For a large livestock system, new system dosage may be safely increased up to 10x.For established systems, use 2 oz (60 ml / ¼ cup) per 10 US gallons (38 L).