If you are experiencing an algae bloom, which has turned your pool green, the poolife® Back to Blue® shock system can turn your pool sparkling blue again. This two-part system destroys the bacteria and algae that have taken over your pool and then makes it easy to vacuum out. At the start of the season, or if an algae bloom occurs during the season, the pool can be treated and returned to its clear blue appearance within 24 hours by using poolife® Back to Blue® I and poolife® Back to Blue® II as part of the poolife® Back to Blue® shock system.From Green to Clean — Clear Up Algae in Just 24 Hours Two-Part Algae Recovery System: Combines shock and flocculant for rapid algae removal High-Potency Cal Hypo: Contains 78% active Cal Hypo — the most powerful Poolife™ shock Fast-Acting Clarifier: Drops dead algae and debris to the bottom for easy cleanup Professional-Level Strength: Restores pools after severe algae blooms or extended neglect Treats Up to 15,000 Gallons: One convenient kit for most standard pools Must have the ability to vacuum to waste to use this product effectively Application Method Follow detailed, step-by-step directions on the product label Must have a functioning vacuum-to-waste setup to remove dead algae and debris Circulate the pool during treatment and vacuum settled debris 12–24 hours after application Retest and balance water before resuming normal pool use Dosage Instructions 1 kit treats up to 15,000 gallons of pool water Always test chlorine levels before swimming; resume use when chlorine returns to 1–4 ppm Ideal for pools that are cloudy green, filled with algae or haven’t been treated in weeks
