Labtech H2 OK Plus Complete Water Analysis Kit - 13 Drinking Water Quality Tests H2O OK Drinking Water Testing Kit 23 Drinking Water Quality Tests Including: Lead, Total Coliform Bacteria, Pesticides, Total Chlorine, Total Hardness, Iron, pH, Total Alkalinity, Copper, Iron Bacteria, Nitrates, Nitrites, Hydrogen Sulfide Immediate Results Easy to Use and Detailed Instructions Included Kit Contains 1 Test for Lead, Total Coliform Bacteria and Pesticides and 2 Tests for the remaining quality test