Ships today if ordered in the next:
Same day shipping if ordered by 3 P.M (EST) Monday - Friday
Knock Out Water Treatment by Bio-Dex®. This product solves a wide variety of water issues. Discoloration problems, brown salt stains, and many other issues. Knock Out is user-friendly and is safe on all pool surfaces, non-foaming, odorless, and has a broad spectrum water treatment. The active ingredient is 99% Sodium Bromide.
To use, the product must be activated using sanitizers such as chlorine, non-chlorine or a bromine sanitizer.
Distribute over the pool surface and follow with the recommended sanitizer.