Winter Closing Checklist
Protect your pool through the off-season with nutrient control, equipment prep, and freeze safeguards.
When to use: Preparing to close pool for winter conditions.
Plan an afternoon
#seasonal#winter
Personalized winter closing plan
Add a test log for personalized closing targets.
We use your CYA reading to calculate the optimal closing FC level.
Checklist
- 1Deep-clean surfaces, vacuum, and remove leaves or debris.
- 2Balance to winter targets (TA 80, pH 7.6, CH 250-350, CYA 30) and raise FC to SLAM level.
- 3Lower water below returns if using mesh cover; blow out lines and add antifreeze where needed.
- 4Add polyquat 60 if algae pressure is a concern.
- 5Secure cover, label breaker panel, and store equipment indoors.
Related Playbooks
Winterizing In-Floor Cleaning Systems
Protect pop-up heads, water distribution valves, and booster pumps from freeze damage with proper blow-out and antifreeze procedures.
Winterizing Pool Heaters
Comprehensive winterization for gas, electric, heat pump, solar, and hybrid heaters - prevent $1,500-$4,000 freeze damage.
Winterization by Region
Climate-specific winterization strategies by USDA zone - drain depth conventions, skimmer protection methods, and regional best practices.