BioGuard® Smart Shock - 2 lbs. pH Down that is what this one

that is what this one is for

Bottom: Open 5"

Limelight Flair FLR 2024+

Highlife Grandee G 2007

and keeps it amazingly clear

BioGuard® Smart Shock - 2 lbs. pH Down that is what this oneBioGuard Smart Shock 2 lbs. Overview BioGuard Smart Shock is the preferred shock product for the BioGuard Care System. Weekly use of BioGuard Maintain Smart Shock keeps your water crystal blue and sparkling. Utilizing an advanced technology, this product performs multiple functions that destroy contaminants that cloudy your pool. This premium shock product is easy to use. Its ability to dissolve rapidly and being multifunctional, this product works