50 strips – Free chlorine, Cyan-uric Acid, pH and Total Alkalinity.
Just dip an AquaCheck Yellow 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.
Comes with complete instructions. 50 strips per bottle