Note: Brominating Granules (sodium bromide) should not be used with UV and/or Ozone. Sanitize your hot tub with Jacuzzi brand brominating granules. Jacuzzi Brand Brominating Granules provide effective sanitation as a soluble, quick-dissolving oxidation treatment. Promoting water clarity, eliminating odours and organic waste such as body oils and cosmetic products. Bromine is an alternative for Chlorine and can be used over a wider range of pH levels making it more forgiving in balancing water chemistry. Each capful holds approximately 18 g of Brominating Granules. The bromine level in your spa should be maintained between 3-5 ppm. Ideal spa pH: 7.2-7.8 Ideal spa Alkalinity: 100 - 150 ppm Size: 700 g Click here for Safety Data Sheet (SDS)