How Often: Prevention - Every 2 weeks (or weekly when the weather is hot). Cure - Use when water appears cloudy or if algae is present.

BioGuard Bio Shock is used to oxidise swimmer wastes that can accumulate in pool water making it appear dull and lifeless. It has a high level of available chlorine and quickly kills algae and bacteria.

Please refer to the Chemical Treatment Summary page for further information on dose rates for your pool.

Next Step: Add BioGuard Algae inhibitor

Steps:  Step A  /  Step B  /  Step C /  Step D