Aqua Meds H2O Neutralizer - 1 Gallon (128 oz.)

Instantly makes tap water safe for koi and goldfish. Neutralizes chlorine, ammonia NH3, nitrite NO2, and NO3. Will not affect pH. Super concentrated formula. Directions: For best results, add H2O Neutralizer to tap water before adding water to your pond. Use 1 tsp per 50 gallons. Each cup treats 2,400 gallons. If treating pond for ammonia, nitrite or nitrate, dosage can be repeated or increased up to 5x within a 24-hour period. A sulfur odor is normal and dissipates rapidly after use. In certain rare conditions and in low oxygen environments, this products may reduce dissolve oxygen levels. Ensure there is adequate circulation/aeration before adding.