Quickly & accurately measures the level of ammonia in pond water, reading levels from 0 ppm to 8 ppm. Makes 130 tests. Determines the level of toxic ammonia in both new & established ponds, fresh water and salt water aquariums. Ammonia is continuously produced from fish waste & urine, uneaten fish food & decaying plants & dead insects.
Includes 2 bottles of test solution, glass test tube w/ cap, color chart & instructions.