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SpaGuard Spa Sentry - 1 Qt.

SpaGuard Spa Sentry - 1 Qt.


SpaGuard Spa Sentry - 1 Qt.

SKU: 42638BIO

In stock

SpaGuard Spa Sentry - 1 Qt.


SpaGuard Spa Sentry is an easy, one-step liquid for maintaining a stable comfortable pH in your spa or hot tub. SpaGuard Spa Sentry also softens your spas water. It makes balancing the water extremely simple, eliminating the need for many other water balancing treatments you may currently be using. 

What’s in the Box

  • 1 x SpaGuard Spa Sentry - 1 Qt.


  • 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.


  1. Using Test Strips test your spa or hot tub water.
  2. If pH is between 7.0 - 8.0, go to step 3. If not adjust water.
  3. Add entire contents of pH Balance to spas containing 500 gallons of water or less.


  • Compatible with chlorine, bromine, ozone and biguanide sanitizers.



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