SpaGuard Spa Chlorinating Concentrate, 14 oz, Single Pack | Advanced Spa Water Treatment for Hot Tubs, Quick Dissolving Oxidizer

The sanitizing power of chlorination in concentrated granules. Chlorinating Concentrate should be added directly to spa water while the pump is running. Use regular doses as a sanitizer and shock doses as an oxidizer. SpaGuard Chlorine Concentrate is a granular stabilized chlorinator, it's fast acting, quick dissolving and acts as a sanitizer and oxidizer; no need for two products. No pre-dissolving needed, it can be added directly to your spa. Product Information: 99% sodium dichloro-s-triazinetrione dihydrate pH 6.5 Granular stabilized chlorinator Fast acting Acts as a sanitizer and an oxidizer May be added directly to spa, no pre-dissolving needed. For Routine Maintenance Directions for use: 1. Add 1/2 teaspoon per 100 gallons (5tsp. per 1,000 gallons) every 15-20 minutes until chlorine residual of 3-5 ppm is achieved) 2. Test regularly to determine frequency of additional doses of product. 3. Add as needed to maintain 3-5ppm.