SpaGuard's Spa Sentry is the easiest way to control pH for clear, stable water. Your water's pH is the most critical factor because it changes rapidly
when bathers, products or other elements enter the water.
Controls pH for up to two full months
Introduces a buffering compound, making pH easier to keep in balance
*Please note: Spa Sentry should never be used in spas with plaster
finishes or grouting that contains calcium
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