Steps to use in Winterizing an Above Ground Pool

Winterizing an above ground pool

Winterizing an above ground pool will ensure clean, healthy water and functioning equipment when the pool is reopened in the spring. Proper closing will also eliminate additional electrical and chemical costs as well as possible freeze damage to equipment and plumbing. This will reduce the time and cost for reopening in the spring.

The following are tips from Westrock Pools on winterizing an above ground pool:

Test the water chemistry: At least one week prior to closing your above ground pool, test the water for pH, total alkalinity, calcium hardness, and chlorine. Balance the water to protect the pool from corrosion or scale build-up that may occur while it is shut down. The water levels should be:

pH: 7.2 – 7.8

Alkalinity: 80 – 120 ppm

Calcium Hardness: 175 - 250 ppm

Chlorine: 2- 3 ppm

Clean the pool: Clean the pool before winterizing it. Vacuum and brush the sides and floor. To prevent oil and scum lines in the tile line, clean it thoroughly.

Clean the filter, skimmer, and pump basket: Remove all unused chlorine products from the chlorinator. Spray the cartridge filter elements and D.E. grids with cleaner and rinse them with a garden hose. Backwash the sand filters.

Add a winter chemical kit: An ideal winter chemical kit contains chlorine or non-chlorine shock, and a wintertime algaecide. Adding a winter chemical kit will keep the water free from algae.

Lower the water level : Do not completely drain above ground pools. Hydrostatic pressure can cause damage.Lower the water level below the skimmer and returns. Hydrostatic pressure can cause damage. Blow water out by forcing air down the skimmer and through the plumbing. You can install threaded winter plugs to the return fittings to keep water out of the lines.

Remove pool accessories: Take all accessories out of your pool. properly clean and dry all accessories and store them for winter. Remove all drain plugs from pump, filter tank and any other pool equipment.

Include an air pillow: An air pillow can absorb the pressure of freezing water. Having an air pillow in the center of the pool will evenly distribute the weight of the water, creating less stress on the pool cover.

Cover the pool: Cover your above ground pool with a winter pool cover or a safety cover. Place the cover over the pool surface with the black side down. Secure it with the cable and winch under the top ledge of the pool.

We can help you with winterizing your above ground pool

If you are looking for a swimming pool company to help winterize your above ground pool, contact Westrock Pools at 845-367-9377. We have over 50 years of experience in building and servicing swimming pools. Call us at 845-367-9377 or email at

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