BioGuard Four Way Test Strips A fast and convenient way to measure total bromine, alkalinity, free chlorine, and pH. Dip the strip in the water, and compare to the color chart that's included to see where your levels are at!
Back to top of pageA fast and convenient way to measure total bromine, alkalinity, free chlorine, and pH. Dip the strip in the water, and compare to the color chart that's included to see where your levels are at!
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