SpaGuard Brominating Tablets - 1.5 lbs SpaGuard Brominating Tablets 1.5# Bromine is compressed into 1 inch tablets that sanitize with no chlorine odor Particularly good for commercial spas and other spas with big bather loads. these tablets are acidic and may lower your pH, so pH and total alkalinity should be tested frequently and adjusted as necessary Can be used in a brominator or in a floating dispenser Dissolves slowly and protects continuously