Beneficial nitrifying bacteria are the foundation of healthy, thriving koi ponds. Adding disease treatments, new fish or cleaning the filter bed can compromise efficient biological filtration, often indicated by a spike in ammonia or nitrite levels. Use Drs. Foster and Smith Live Nitrifying Bacteria to ensure a thriving bacterial population responsible for natural ammonia and nitrite control. Product cannot be overdosed. Shop all Pond Water Conditioners. Please click "More Information" for direction for use. | ||||||






Add life to new setups for koi pond success! Drs. Foster and Smith Live Nitrifying Bacteria quickly establishes biological filtration with LIVE nitrifying bacteria. Use Drs. Foster and Smith Live Nitrifying Bacteria to cycle new koi ponds or to maintain efficient biological filtration in established ponds. Made in the USA and competitively priced to extend your pond budget. 16 oz treats 960 gal. For use with ponds stocked with koi, goldfish or other pond fish.









