The (2 Pack) Pool Closing Winterizing Solution is a 16.5oz green liquid that effectively winterizes pools by preparing them for the colder months. Specifically designed to treat all water types, this solution ensures a thorough cleaning and protection for your pool during the winter season. Additionally, the included testing kit allows for easy monitoring of your pool water's chemical levels, ensuring optimal conditions for a successful winterization process. With a capacity of 12,000 gallons, this product provides a comprehensive and efficient solution for maintaining your pool's health and longevity.