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Olympic Test Strip 4-in-1


4-in-1 test strips are a must-have tool for pool and spa owners. Each tab allows you to simultaneously measure four important parameters of your pool water: free chlorine, total bromine, pH and alkalinity.

These test strips are easy to use. Simply dip the tab in your pool or spa water for a few seconds, then compare it to the reference colors provided on the package. So you can quickly and easily determine if your water is healthy and balanced, or if it needs to be treated.

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