Tetra EasyStrips Test Strips Everything You Need to Test Your Aquarium Water Test chlorine, ammonia, nitrate, nitrite, GH, KH, and pH Just dip directly in to the aquaruim EasyStrips Complete Kit: This kit is the most advanced kit that Tetra makes. It includes 25 of the 6 in 1 Testing Strips and 25 of the Ammonia Testing Strips. So, this kit will provide the testing of ammonia, chlorine, nitrates, nitrites, general water hardness (GH), alkalinity (KH), and pH levels. You will get the most out of this kit to make sure you have the healthiest aquarium around.