Tried others and this is the best.
Omni Crystal Clear Multi-Shock is a multi-purpose shock, with water clarifiers, filter aids, and pH buffers that makes pool water sparkle. Swimming can resume as soon as 15 minutes after application.
- Multipurpose shock
- Restores water sparkle
- No pre-dissolving
- Available in convenient 1lb bags
- Compatible with bromine, chlorine, ozone and ionization systems
- Patented technology
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We have been using this product for several years and it works fine for our pool.