Non-alum flocculent will not affect water balance. Safe for all pools including peroxide-based sanitizers. * Use for bugs and debris - then vacuum away! * Application: Shake bottle well before applying. Pour the appropriate amount of Drop n" Vac (10-Ounce per 10,000-Gallon) into a bucket of water. * Empty contents evenly over entire pool. Run pump for 2 hours and then shut the pump off. Allow unfilterable material to settle overnight. * Set the filter in WASTE or DRAIN cycle and vacuum to waste all settled debris. Clean the filter and begin normal operation.