Hot Tub Water Treatment / Hot Tub Balancers
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Spa Sentry®

Spa Sentry®
Regular Price: $28.99
SALE: $25.49 - $CDN
Item ID: 7538
Brand: BioGuard


  • Introduces a buffering compound, making pH easier to keep in balance
  • One easy step
  • Controls pH for up to two full months
  • *Spa Sentry® should not be used in spas with plaster finishes or grouting that contains calcium or spas using Soft Soak®.