AquaChek Yellow tests for Free Chlorine, pH, Total Alkalinity, and Cyanuric Acid
(stabilizer). Just dip a test strip in your pool or spa water for one second and remove it immediately. You get test results in seconds!
To keep your pool at its best, test at each end a minimum of twice a week, and test your spa before each use. It’s also a good idea to write down your results each time you test in our Spa Log Book.
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