Natural Chemistry Spa Bromine Tablets are the best way to activate the bromine reserve in your spa or hot tub, which sanitizes your system against bacteria, algae, and other organic contaminants. Simply add these tablets to your spas floating tablet feeder or automatic brominator for complete protection while avoiding messy liquids that require measuring. Best of all, Spa Bromine Tablets don’t give off any foul chemical odors to take away from your relaxing soak like some competing products do. Natural Chemistry has been an industry innovator in harnessing the power of natural compounds and enzymes to clean your pools and spas for almost 20 years, allowing you to buy with confidence.