1 teaspoon will treat approx. 40 gallons (151 L) or 32 g per 1,000 L (264 gallons). Using this dosage, 1.0 mg/L ammonia will be instantly eliminated, as well as chlorine and chloramines. FritzPro A.C.C.R. dosage can be safely increased by 5x to remove greater amounts of ammonia. Water treated with FritzPro A.C.C.R. cannot be accurately tested with Nessler ammonia test kits nor with Winkler dissolved oxygen (DO) test kits because FritzPro A.C.C.R. interferes with the reagents used in these tests. Salicylate ammonia test kits are recommended when using FritzPro A.C.C.R.