Independent tool: we don’t sell test kits. This tells you what to ask a certified lab for — so you test once, test right, and don’t pay for panels you don’t need.
Don’t buy a filter until you know what you’re treating — and don’t pay for a 200-contaminant lab panel when 8 targeted tests answer the question. Answer 4 quick questions and get the exact test panel your water situation calls for, plus what each result will tell you and what isn’t worth testing.
This tool suggests what to test for. For how to get it tested — labs, sampling, costs — see our guide: How to Test Your Drinking Water (Before You Buy Anything).