Prepare your pool this winter with our pre-measured winterizing closing kit. Our powerful combination of winterizing chemicals help to prevent algae growth, . HTH winterizing pool closing shock – destroys organic contaminants; (1) 1 lb. HTH winterizing stain and scale control – controls metals in the water; (1) 4 oz. Amazon.com : HTH 91913 Winterizing Pool Closing Kit : Swimming Pool Maintenance Kits : Garden & Outdoor. Shop our selection of Pool Closing Supplies in the Outdoors Department at . Robelle Triple-Action 15,000 Gallon Swimming Pool Winter Closing Chemical Kit. Closing your pool properly will make opening it much easier next season. . Use a pool test kit to and this chart to measure water chemical levels following the . When you know how to care for your pool through the winter, you’ll be delighted with how easy pool opening is in the spring. The GLB® Pool Closing Kit has . contains winterizer, winter stain out and winterizing tablet used to winterize pool over winter . Product Type: Pool Chemicals, Product Form: Maintenance Kit. //uggonsaleuk.info/help/diy-how-to-open-your-pool-start-up-kits/ . //uggonsaleuk.info/help/how-to-use-pool-winterizing-kits/ · //uggonsaleuk.info/help/roof-mounting-kit-layout-and-installation-instructions/ .