Fritz Zyme #7 Freshwater Nitrifying Bacteriacontains live, active. non-pathogenic, non-toxic Nitrosomonas and Nitrobacter nitrifying bacteria. Proven to be the best product available for ammonia & nitrite reduction. Fritz Zyme #7, begins rapidly converting ammonia & nitrite to non-toxic nitrate when added. Nitrifying Bacteria count (minimum) 2,000,000 per ounce.
Professional formula for use in all freshwater systems; safe for use with plants, snails & discus
Removes ammonia and nitrites the safe, permanent and natural way
Does not require refrigeration
Add 1/2 cup (4 oz) per 10 gallons to jump-start new systems or reduce ammonia/nitrite spike
Always add FRITZZYME #7
To new tanks
When adding new livestock
After any rigourous cleaning
Changing Gravel
After changing filter cartridges
After medicating
Whenever ammonia/nitrite imbalances occur