BioGuard Pool Opening Complete (1 qt) is the perfect solution for pool openings. Use this powerful 3-in-1 concentrated formula to quickly clean pool water, turn your water amazingly clear and remove winter filth. Make this the first step in opening your pool and see the difference one bottle can make.
1 qt per 20,000 gallons of water.
- Shake well before using. To help clear water and make opening easier, apply this product at a rate of 1 quart per 20,000 gallons of pool water.
- Apply slowly and directly into water while walking around deep end of pool.
- Allow pump and filter to operate for at least 12 hours after application.