You can test for pH, TDS (Total Dissolved Solids), Hardness, Iron, Iron Bacteria, Manganese, Copper, Nitrates, Sulfides, and Tannins. Grab a test kit now and know your water quality! Thank you for looking to Aqua Science to test your well water. It's very important to understand the quality of your water. Your test results will help guide you to a decision as to whether or not you need a water treatment system. Aqua Science has a team of dedicated staff available to guide you through your water enhancement process for the do it yourself-er.!