Brand New In The Swim Pool Closing Kit - Winterizing Chemicals for Above Ground and In-Ground Pools - Up to 35,000 Gallons Pool Winter Chemical Kit, Super - for closing pools up to 35,000 gal. 1 qt. Pool Winterizing Inhibitor 1 qt. Pool Winter Stain-Away 3 lbs. Chlorine-free winter pool shock 1 Winter Pool Floater - 4 lbs. "non-chlorine" winter oxidizer 1 Winter SorbTM, oil absorbent winter chemical sponge Pool Closing. In The Swim winter kits include a slow-release winter floater filled with a powerful non-chlorine oxidizer. Our unique winter pool floater removes carbon dioxide. No staining, no bleaching... just clean water. Includes pool winterizing instructions. Pool water temperature should be at 65 degrees F or below before winterizing. Not for use in winterizing pools using a biguanide based sanitizing system. •The In The Swim Pool Winterizing and Closing Chemical Kit is designed to save you time and money by including all the necessary chemicals to close your pool. Making for a