Our Drinking Water Tests Kits are a revolution in water testing. They areeasy-to-use, affordable, fast and they provide reliable, accurate results at home, in the field, in remote areas or on-site. No need to send away a water sample and wait weeks for the results. If you're considering some form of water treatment water analysis can be useful to identify the problem. Discoloration could for example have a number of causes, identify the specific cause will allow specific treatment.