BioGuard Smart Shock Case 400g x 12

A premium oxygen based chlorine free weekly shock/oxidizer with clarifying, and balance buffering properties for swimming pool water.

• Size: 400g Pouches x12
• Brand: BioGuard
• Type: Oxidizer

Add weekly as part of a guaranteed no green maintenance program.  Destroys organics & bacteria build-up in water.  Remove all pool covers and no bathers for 15 minutes.