Guide to closing your pool when the water temperature drops below ten degrees

Mark Toth

As temperatures drop and winter approaches, it's time to consider closing your pool to ensure it remains in top condition for the next swimming season. Proper winterizing of your pool is crucial to prevent damage caused by frost and harsh winter conditions. In this comprehensive guide, we will walk you through the process of closing your pool step by step when the water temperature falls below ten degrees, ensuring a smooth and trouble-free winter storage.

Check the water chemistry

Before closing your pool , it is essential to balance the water chemistry. Adjust the pH level, alkalinity, and calcium hardness to ensure your pool water is in optimal condition. This action will help prevent deposits, corrosion, and algae growth during the winter months.

Clean and vacuum

Remove all items from the pool, including leaves, branches, and other organic material. Vacuum the pool thoroughly to remove dirt or algae that may have accumulated on the pool floor and walls. A clean pool is less susceptible to stains and damage during winter.

Adjust the water level

Lower the water level in the pool below the skimmer and return jet openings. This will prevent potential damage caused by frozen water expanding in these areas. Use a submersible pump to achieve the desired water level.

Winterize pool pipes

To prevent damage to the pool pipes from frost, it is necessary to winterize the piping system. Blow out the pipes with a compressor to remove any water. Add antifreeze to the pool to ensure they are protected throughout the winter.

Remove and store accessories

Remove all pool accessories, including ladders, diving boards, and skimmer baskets. Clean and store them in a dry, protected place to prevent damage. This ensures your accessories are ready for use when you reopen the pool in spring.

Add winter chemicals

Add winter chemicals to the pool water to inhibit algae growth and prevent stains during winter. Algaecides and winter kits are specially designed for this purpose. Follow the manufacturer's instructions for proper use.

Cover the pool

Invest in a high-quality pool cover to protect your pool from debris, sunlight, and harsh weather conditions. Make sure the cover is properly secured and fits well. This measure is essential to maintain water quality and prevent damage to the pool structure.

Winterize pool equipment

Prepare and winterize all pool equipment, including the pump, filter, and heater. Remove all drain plugs and store them in a safe place. Lubricate O-rings and other moving parts to prevent damage from drying out during the winter months.

Monitor the water level

Regularly check the water level in your pool throughout the winter. Heavy rain or snowfall can affect the water level, and maintaining the correct level is crucial for your pool's longevity.

Consider frost protection for the pool

In areas with extremely cold temperatures, consider adding antifreeze to the remaining water in the pool. This will protect against frost and minimize the risk of damage to the pool surface .

Winter maintenance of the pool

Perform periodic winter maintenance of the pool, including checking the pool cover, removing accumulated snow, and ensuring the overall integrity of the winterizing setup.

Conclusion

Closing your pool when the water temperature falls below ten degrees is a critical step in preserving its condition and ensuring a smooth reopening in spring. By following this comprehensive guide, you will be equipped with the knowledge and steps required to close your pool effectively and protect it from winter damage. Remember, proper winter storage will not only extend your pool's lifespan but also save you time and money when it's time to dive into the next swimming season.

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