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The AQUACHEK HACH 511242 test strips are essential for monitoring water quality. These test strips are designed to measure Free Chlorine, Cyanuric Acid, pH, and Total Alkalinity levels in swimming pools and spas. To use, dip a strip into a water sample and compare the color changes to a reference chart for quick analysis. Each bottle contains fifty test strips.
Fast and accurate water testing for pool and spa maintenance.
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