SpaGuard Water Freshener and Deodorizer is the perfect solution for spa owners who want to keep their hot tub water fresh and clean. This easy-to-use product eliminates unpleasant odors without masking them with a fragrance. It works effectively with both chlorine and bromine sanitizing systems and maintains its effectiveness even when residual chlorine or bromine is present. One bottle of SpaGuard Water Freshener can treat up to 500 gallons of water, making it a cost-effective solution. Plus, it is safe for all spa surfaces and equipment, so you can use it with confidence. Keep your hot tub water fresh and inviting with SpaGuard Water Freshener and Deodorizer.