Check the listing for details. SpaGuard Bromine Concentrate 2 lb. Condition: New. Listed at 37.99 USD. SpaGuard Brominating Concentrate is an excellent solution for maintaining clear and hygienic hot tub water. Its fast-dissolving granules make it easy to use, and it acts as both a sanitizer and an oxidizer, eliminating the need for two separate products. With its powerful formula, it quickly destroys bacteria and organic wastes that may be present in hot tub water, leaving behind no cloudy or insoluble residue. This "one-step" product can be added directly to your spa without any pre-dissolving, making it a convenient and effective option for hot tub owners. Keep your hot tub water crystal clear with SpaGuard Brominating Concentrate. Product Benefits: One step fast dissolving brominating granules May be added directly to spa, no pre-dissolving needed Acts as a sanitizer and an oxidizer; no need for two products