SpaGuard Spa Sentry® (946ml) (P/N: 7538) Best Sellers Weight: 114 lbs / 52

Weight: 114 lbs / 52 kgs (EGG only)

Used as step 3 in BioGuard's weekly pool care system

and indulgence

Pro Tip: Use Pool Magnet Plus with Sparkle Up to help optimize the removal of metals from both your pool and your filters

L and M models

SpaGuard Spa Sentry® (946ml) (P/N: 7538) Best Sellers Weight: 114 lbs / 52Spa 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. Features: 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 If you have any questions about this