how to close your above ground pool for winter

3 min read 07-02-2025

how to close your above ground pool for winter

Meta Description: Learn how to properly close your above ground pool for winter to protect it from damage and ensure it's ready for swimming next spring! This comprehensive guide covers everything from draining and cleaning to adding chemicals and winterizing your pump. Get started now and avoid costly repairs!

Getting your above-ground pool ready for winter might seem daunting, but with a little planning and the right steps, you can easily protect your investment and ensure it's in great shape for next summer. Closing your pool properly prevents damage from freezing temperatures, algae growth, and other winter hazards. This guide will walk you through each step of the process.

1. Cleaning Your Above Ground Pool: The Foundation of Winterizing

Before you begin winterizing, a thorough cleaning is essential. This removes debris and contaminants that could cause problems during the off-season.

1.1 Debris Removal

Skim the surface: Remove leaves, twigs, and other debris floating on the water's surface.
Vacuum the pool floor: Use your pool vacuum to thoroughly clean the bottom, removing any settled sediment. Consider using a leaf net to remove large debris before vacuuming to avoid clogging your equipment.
Brush the walls and floor: Scrub the walls and floor to remove any algae or other buildup. This helps prevent staining and damage.

1.2 Balancing Pool Chemicals

Proper chemical balance is critical for preventing damage during winter. Test your water using a reliable test kit. Aim for these ideal levels:

pH: 7.2 - 7.8
Total Alkalinity: 80 - 120 ppm
Sanitizer: Follow the instructions on your chosen sanitizer (chlorine or bromine). You'll want a slightly higher level than normal for winterization.

Consult your pool's manual or a pool professional if you're unsure about the correct chemical balance for your specific type of pool.

2. Draining Your Above Ground Pool (Partially)

Completely draining an above-ground pool is generally not recommended. Instead, lower the water level to a safe point.

How low should you drain? Lower the water level several inches below the skimmer and return jets. This prevents water from freezing and damaging your equipment. You don't want to drain it completely, as this can cause the pool walls to collapse.

3. Adding Winterizing Chemicals

Once the water level is lowered and your pool is chemically balanced, it's time to add winterizing chemicals. These help prevent algae growth and other issues during the winter months.

3.1 Algaecide

An algaecide is crucial. It prevents algae from growing and blooming during the dormant period. Follow the manufacturer's instructions for dosage.

3.2 Winterizing Chemicals

Many pool supply stores offer specialized winterizing chemicals. These often contain algaecides and other agents to protect your pool. These usually include non-chlorine shock to neutralize any remaining contaminants.

4. Winterizing Your Pool Equipment

Protecting your pump, filter, and other equipment is vital to avoid costly repairs.

4.1 Drain and Clean Your Pump and Filter

Completely drain your pump and filter system. Carefully clean them to remove any debris. Store your pump and filter in a safe, dry place away from freezing temperatures.

4.2 Winterize Your Pump and Filter

For above-ground pools, completely removing the pump and filter from the pool and storing them indoors is often the best practice, particularly in regions with very cold winters. Consult your equipment manual for specific instructions.

5. Protecting Your Above Ground Pool Liner

The liner is a vulnerable part of your above-ground pool.

5.1 Air Pillows and Water Pillows

Consider using air pillows or water pillows (bags filled with water) to distribute the pressure from the ice and snow. These prevent the liner from bulging or tearing.

5.2 Pool Cover

Cover your pool with a high-quality winter pool cover. Secure the cover properly to prevent it from blowing away.

6. What about the Pipes?

Depending on your climate and plumbing setup, you may need to blow out your pipes to prevent them from freezing and cracking. This usually involves using an air compressor. If you are unsure, consult a pool professional.

7. Final Steps

Inspect your pool: Walk around your closed pool, checking for any loose parts or potential problems.
Turn off the power: Disconnect the power to your pool pump and filter to prevent accidental operation and electrical hazards.

Conclusion

Closing your above-ground pool for winter might seem complex, but by following these steps you can significantly extend the lifespan of your pool and ensure a smooth opening in the spring. Remember to consult your pool's manual and always follow the instructions on any chemicals you use. Investing time now in proper closure will save you time, money, and frustration next spring.