API ammonia test is a liquid test therefore increases its accuracy. We reccomend this test kit for freshwater tropical aquariums only. Are any of your fish gasping at the surface of the aquarium or resting unusually at the substrate? These are signs of ammonia burn so it would be beneficial to test for ammonia. 130 tests Very easy to use, Simply add 5 millimetres of aquarium water into the test vial provided. Add eight drops of reagent bottle one and then eight of bottle two. Shake the vial, Leave for 5 minutes and then hold up against the colour chart to compare and find your results.
