API AMMONIA TEST KIT FOR FRESH AND SALT WATER by API $13.99 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart This item is a recurring or deferred purchase. By continuing, I agree to the cancellation policy and authorize you to charge my payment method at the prices, frequency and dates listed on this page until my order is fulfilled or I cancel, if permitted. Tests ammonia levels from 0 to 8 parts per million. Ammonia is the number one killer of tropical fish, and is continuously produced by the aquarium from fish wastes decomposing Mercury free salicylate test for both fresh and salt water