Shock
Great product, easy to use and works great.
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.
Great product, easy to use and works great.
Tried others and this is the best.
We have been using this product for several years and it works fine for our pool.