From the Home Depot description: The H2O OK Plus Complete Water Analysis Kit is the most complete way to ensure your drinking water is safe and free of 13 wate

From the Home Depot description: The H2O OK Plus Complete Water Analysis Kit is the most complete way to ensure your drinking water is safe and free of 13 water conditions and contaminants including bacteria, pesticides and lead, a total of 23 tests. This complete, easy to use kit provides all containers needed. It gives the user instant results. Included 2 tests each for total chlorine, total hardness, iron, pH, total alkalinity, copper, nitrates and nitrites; 1-test each for lead, total coliform bacteria and pesticides with detailed instructions to test for iron bacteria and hydrogen sulfide