Complete and accurate instant water test available to the consumer. Tests the following: bacteria， lead， pesticides (Atrazine/Simazine)， nitrate， nitrite， iron， total chlorine pH (potential hydrogen)， total hardness， total alkalinity， and copper. All tests are instant and do not require lab analysis. Laboratory tested for accuracy. Recommended for: home， cottage， RVs， offices， schools and especially private wells. The test indicates whether your water is hazardous to your health. If so， you should not drink the water.