Pool Care Green To Blue, Advanced Shock System, 1 Kit

The HTH™ Super Green to Blue Advanced Shock is a 2-part system. Pack I shocks your pool with a boost of chlorine, helping you fend off bacteria. Pack II is a powerful flocculant that drops particles to the bottom of the pool for easy vacuuming. Both packs work together to create beautiful, crystal clear pool water within 24 hours.Simply follow the on-pack instructions for both Pack I and Pack II. Pack I is the Cal Hypo Shock treatment and Pack II is a flocculant that drops dead particles to the bottom of the pool for easy vacuuming.

• Fight severe algae bloom and transform your swimming pool water from green to blue in 24 hours with this easy-to-use system.
• Simple 2-step system contains:4 bags of Pack I - a strong algae-fighting pool shock utilizing Cal Hypo.2 bags of Pack II - a powerful flocculant that binds algae particles together and drops them to the pool floor for vacuuming to waste
• Pack II, flocculant contents appears brownish-orangish, which is normalps particles to the bottom of the pool for easy vaccuming
• Not for use with cartridge filters
• To use effectively, your pool must have a multi-port valve with a "waste" position
• Visibly brilliant sparkle
• This Cal Hypo based formula transforms water from green to blue within 24 hours without adding cyanuric acid (CYA) to prevent overstabilization or chlorine lock.
• Compatible with all swimming pools
• This product is effective for all pool types that can vacuum to waste. It's ideal for vinyl-lined pools and won't fade liners.
• For best results, use with HTH® 6-Way Test Strips to test and balance your swimming pool water twice weekly.