FritzPond Complete is a concentrated, full-spectrum water conditioner that eliminates chlorine, chloramine, ammonia, nitrite and nitrate. Ideal for all pond fish, plants and turtles, this one-step nitrogen cycle manager effortlessly removes chlorine and chloramine and detoxifies ammonia, nitrite and nitrate without interfering with pH levels. Directions & Dosage: Use 1 tsp (5 ml) per 50 U.S. gallons (189 L). Each cup treats 2,400 gallons. For best results, add FritzPond Complete to tap water before adding to pond. In extreme cases of chloramine or nitrite, dosage can be increased up to 5x within 24 hours. Be careful to not exceed the recommended dosage, as a sulfur odor is normal and dissipates quickly after use. Note that this product may reduce oxygen levels in low oxygen environments, so ensure adequate circulation/aeration first. Lastly, note that Nessler-type ammonia and Winkler-type oxygen test