Winter Care Synergy Closing Chemical Kit - treats up to 20,000

Winter Care winterizing products are designed to keep pool water clear and trouble-free throughout the off-season.

For use with the Synergy/Simplicity System.

Contents:

• 1 QT Winter Algaecide
• 2lbs Winter Shock

 It is recommended to use Natural Chemistry's Pool Magic along with this closing kit.
Pool Magic makes pool opening a breeze! The patented formula works by breaking down organics brought on by the cold winter weather to prevent scum-line formation and preserve your pool's liner or finish.

*You must balance your chemicals before adding a closing kit.