Ammonia Test Kit for Freshwater - 0.0 to 7.3 PPM

Ammonia is toxic to fish. Make sure your aquarium is free of this chemical by testing with Hagen's Ammonia test kit. Simple to use and easy to read results. Reads from 0.0 ppm to 7.3 ppm-ideal level is 0! Test your aquarium often and insure healthy, happy fish. Size: Performs 70 tests. _____________________________________________________________________________________