Just dip an AquaChek Select 541640 test strip in your pool or spa water for one second and remove it immediately. You get results in seconds! It's a simple, cost-effective way to ensure that the water is safe.
To keep your pool at its best, test at each end at least twice a week, and test your spa before each use. You may also want to write down your results so you can track changes over time.\
300 Test Strips!
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