Aquascape Ammonia Neutralizer Professional Grade makes pond water safe for fish and plants by detoxifying chloramine and neutralizing large concentrations of toxic ammonia. It is important to eliminate any toxins in your pond water to ensure the health of your fish. Each bottle is 25% more concentrated than the consumer equivalent, making it the ideal choice for discriminating pond professionals. The included measuring cup and dosage guide make application simple and easy. Each bottle contains 1 gallon of treatment and treats up to 96,000 gallons of water.