Pristine Blue Pristine Extra Pool Shock 5 lbs.

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PristineBlue: PristineExtra 99% Sodium Di-chlor Pool Shock PristineBlue PristineExtra contains 99% sodium di-chlor (granular chlorine) making it one of the most effective di-chlor pool shock treatments on the market. PristineExtra works great for pool start-up, regular shocking, as a primary sanitizer, or pool water trouble shooting. PristineExtra is Available in One pound bags Four pound sealed container Click here to view the Pristine Blue Care Guide for Pool and Spa Show more