HTH Granule Pool Care Kit 4 lb

HTH Pool Care Kit. Successfully open and close your swimming pool with all the important pool chemicals and supplies with this all-in-one kit. Includes HTH Shock Ultra, Algae Guard Granules, Metal and Stain Defense and Multi-purpose 6-Way Test Strips. Test, treat shock, kill and prevent algae and control metals in pool water. Treats up to 20,000 gallons in both chlorine and saltwater systems.