- 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.