$18.99
Step 2 of 2-step Sirona™ Enhance and Activate sanitizing system Converts sodium bromide into active bromine in the water Can also be used as shock oxidizer with other bromine or chlorine systems
Concentrated formula prevents iron & other metal build-up Only added at start-up and lasts from refill to refill One bottle will treat up to 500 gallons
Step 3 in 3-part system Highly stable chlorine-free, bromine-free sanitizer Provides excellent bacteria control Used at start-up, then as needed based upon water testing
Raises pH & total alkalinity of spa water Reduces the chance of equipment corrosion Increases the effectiveness of the sanitizer