SpaGuard Chlorinating Concentrate (2 lbs) is a fast‑acting, quick‑dissolving granular chlorine designed specifically for spas and hot tubs. It works as both a sanitizer and oxidizer, eliminating bacteria, controlling algae, and breaking down organic contaminants that cloud water.

This one‑step treatment helps maintain crystal‑clear water and stable chlorine levels, making routine spa care simple and effective. Ideal for weekly maintenance or boosting sanitizer levels after heavy use.

Your shopping data confirms this is a 2 lb SpaGuard brand chlorine sanitizer with a white granular formula.