In The Swim Basic Pool Closing Kit and Shock Bundle - Winterizing Chemicals and Cal-Hypo Granular Sanitizer for Above Ground and In-Ground Pools - Up to 7,500 Gallons KWB075001AE_ITS

In The Swim Basic Closing Kit + Cal Hypo 6x1 lb

• Complete Winter Protection: This chlorine-free closing kit stabilizes your pool through the offseason, guarding against algae growth, staining, and equipment damage.
• Added Sanitizing Power: Includes 6 pre-measured 1 lb bags of cal hypo shock to eliminate bacteria and organic waste before closing, ensuring a clean spring opening.
• Algae Defense: The non-chlorine winter floater controls carbon dioxide levels, starving algae before it starts. Keeping chlorine-sensitive surfaces like vinyl liners safe.
• Stain & Scale Prevention: Liquid metal control additive helps protect your pool surfaces and equipment by neutralizing minerals that can cause scale buildup or metal staining.
• Confident Spring Reopening: Eliminates the need for costly cleanup or shock treatments come springtime by starting the season strong.