Winterizing and Closing Chemical Kit for Pools up to 35000 Gallons by In The Swim

This In The Swim Pool Winterizing and Closing Chemical Kit is the perfect choice for pools up to 35,000 gallons. With its chlorine-free chemicals, it is safe to use on all pool surfaces. It is designed with a simple user-friendly design, and comes with a slow-release floater that helps keep the pool oxidized during the winter season. Rated as one of the best swimming pool water test kits on the market, customers can be sure of its accuracy and overall satisfaction.