Question: what are ways to test water quality?
Answer: Biological Indicators. Biological monitoring metrics is the simplest and least expensive method. ...  Test Strips. ...  Titration / Drop Test Kits. ...  ATP / Luminescence Tests. ...  Electro-Chemical Testers. ...  Colorimetric / Comparator Test Kits. ...  Photometric Test Kits. ...  Spectrophotometers.