Winter Pool Closing Kit - 3 in 1 Winterizing Care for 30,000 Gallons Above Ground & Inground Pools6 Month Clear Water: The AQUASTRONG pool closing kit for above ground maintains crystal clear water for a full 6 months, ensuring an effortless spring opening no mess, no stress Save Time & Money: Say goodbye to the pool guy and extra chemicals! Save hundreds with the AQUASTRONG pool winterizing kit for a smooth spring reopening Stop Green Water: Just drop two winter pills to keep your pool water perfectly balanced no more green water, stains, or bad