Widely Used: It is not only a water quality test kit for drinking water, but also a water quality test kit that can be applied to a wide range of water quality tests, such as drinking water, laboratories, swimming pools, hot tubs, spas, ponds, aquariums, industrial wastewater. 16-in-1 Water Test Kit: Our drinking water test kit offers the broadest range of parameters on the market, covering all the major contaminants you need to worry about. This includes H, mercury, lead, iron, copper, total alkalinity, hardness, nitrite, nitrate, bromine, free chlorine, total chlorine, and fluoride. Easy to Use: This drinking water test kit is so simple, that anyone can use it with zero expertise or equipment. Whether it's a faucet, well, municipal, filtered water, spring, or any other water source, you can get results quickly and easily Results are available in just three steps. Save Time: Testing each element individually in the lab can cost hundreds of dollars. But with this water testing kit, can help you test 16 elements at once. Save your time and money. 100 Strips: Each water test strip provides accurate and fast results for any water source, including well and tap water, drinking water, or any other drinking water source. Perfect for children's science fair projects and school classroom water testing