BioGuard Smart Shock
Smart Shock is the best way to shock, oxidize, buffer and clarify your pool's water. Multi-functional Smart Shock also kills bacteria and contains blue algae killing crystals. Swimmers can re-enter the pool quickly after treatment. Kills bacteria, kills algae and clarifies Maintains brilliantly clear water Treat and swim in as soon as 15 minutes Preferred shock for the BioGuard Care System For use in all pool types Contains blue algae killing crystals Smart Shock should be used with these BioGuard Care Systems: 3-Step, and Once-A-Week 3-Step.