Spa Sentry is the easiest way to control pH for clear, stable water. pH is the most critical factor because it changing rapidly when bathers, products or other elements enter the water.
- Phosphate buffer
- Easy, one step liquid
- Helps maintain proper pH
- Softens water by removing calcium
- Not for use in plaster or tile-surface spas
- Not for use in Soft Soak® spas
*Please note: Spa Sentry should never be used in spas with plaster finishes or grouting that contains calcium.
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