HTH™ Pool Care Green to Blue Advanced: Blue Pool Shock
Fight severe algae bloom and transform your swimming pool water from green to blue in 24 hours with this easy-to-use blue pool shock 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 normal
- 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 in our blue pool shock 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
Our blue pool shock is effective for all pool types that can vacuum to waste. It’s ideal for vinyl-lined pools and won’t fade liners.
You’re all clear with HTH™
For best results, use with HTH™ 6-Way Test Strips to test and balance your swimming pool water twice weekly.
How to use
HTH™ Green to Blue Advanced: Blue Pool Shock
1. Add Directly to Water
Follow the on-pack instructions according to your pool size.
Follow the on-pack instructions according to your pool size.
2. Vacuum
The built-in flocculant drops algae particles to the bottom of the pool for easy vacuuming.
The built-in flocculant drops algae particles to the bottom of the pool for easy vacuuming.
