API Aquarium Pharmaceuticals Fresh/saltwater Ammonia Test Kit

Various pH tests (three levels), ammonia, nitrite, nitrate, GH/KH for both fresh and salt water. 130-test test kit Salicylate test measures ammonia levels in both fresh & saltwater aquariums. Ammonia, the #1 killer of tropical fish, is continually produced in the aquarium from fish waste & uneaten fish food. Tests ammonia levels from 0 to 8 ppm.