Should You Leave the Pool Cover on In the Winter?

17 minutes read

During the winter season, many pool owners wonder whether they should leave the pool cover on or remove it. There are different considerations to keep in mind when deciding what to do.


Leaving the pool cover on during winter may have several advantages. Firstly, it helps to keep debris such as leaves, twigs, and dirt out of the pool, which can reduce cleaning time and effort. The cover also prevents water evaporation and helps to maintain the pool's chemical balance, potentially saving on water and chemical costs. In addition, it can protect the pool from extreme weather conditions, such as heavy snowfall or freezing temperatures, which can damage the pool equipment and surfaces.


However, there are also some drawbacks to leaving the pool cover on all winter. Without proper ventilation, stagnant air between the cover and water can lead to the growth of algae or mildew, which may necessitate additional cleaning and maintenance. Additionally, if there is an excessive accumulation of water or snow on the cover, it can place stress on the cover and potentially cause damage. Moreover, if the pool water becomes imbalanced underneath the cover, it may result in chemical imbalances and affect the pool's overall condition.


Ultimately, the decision whether to leave the pool cover on or take it off in the winter depends on various factors such as the climate, specific pool conditions, and personal preferences. It is advisable to consult with a pool professional or follow manufacturer guidelines to determine the best course of action for your specific pool.

Best Pool Covers of 2024

1
Blue Wave BWC752 Bronze 8-Year 20-ft x 40-ft Rectangular In Ground Pool Winter Cover,Dark Navy Blue

Rating is 5 out of 5

Blue Wave BWC752 Bronze 8-Year 20-ft x 40-ft Rectangular In Ground Pool Winter Cover,Dark Navy Blue

  • PROTECTS YOUR POOL - Blue Wave Winter Covers are perfect for regions that have winter weather. Designed to endure repeated exposure to harsh conditions, these covers provide protection for your in-ground swimming pool.
  • EASY TO SECURE – Integrated loops are spaced every four feet to secure water tubes (not included). The cover also features reinforced corner grommets to ensure your pool remains protected.
  • STRENGTH AND DURABILITY - Crafted from woven, laminated polyethylene strands, every Blue Wave winter cover is treated to protect it from sunlight degradation. For additional protection, each cover has a black underside.
  • REDUCES SPRING MAINTENANCE - This solid cover with heat-sealed seams keeps dirt, leaves, and branches from decaying in your pool all winter, ensuring the water will be ready for another season of fun in the spring.
  • 8-YEAR WARRANTY - Your winter cover comes with an 8-year pro-rated warranty. The first year is warranted for a full replacement on defects and material degradation.
  • Pool size: 20 feet x 40 feet
  • Cover size: 25 feet x 45 feet
  • Number of 8-Feet water tubes needed: 16
  • Integral cover loops to secure water tubes
  • 5 foot overlap to ensure there is no stretching or ripping
2
Winter Block Winter Pool Cover for Above Ground Pools, 24’ Ft., Round Winter Aboveground Pool Cover, 8-Year Warranty, Includes Winch and Cable, Superior Strength & Durability, UV Protected

Rating is 4.9 out of 5

Winter Block Winter Pool Cover for Above Ground Pools, 24’ Ft., Round Winter Aboveground Pool Cover, 8-Year Warranty, Includes Winch and Cable, Superior Strength & Durability, UV Protected

  • WINTER POOL COVER – The Winter Block Winter Pool Cover is great for keeping your aboveground pool in good condition during the cold winter months and makes it easier for you to get the pool back in shape in the spring
  • EASY TO INSTALL – This lightweight, yet durable winterizing pool cover is easy to install It comes with perimeter grommets, steel cable and winch so it’s ready for installation right out of the box
  • DURABLE CONSTRUCTION - This aboveground pool winter cover is treated for resistance to damaging sunrays It’s made of laminated polyethylene sheeting woven with thick, high-density polyethylene stitching for superior tensile strength & durability
  • KEEPS OUT DEBRIS – Designed to keep out debris, rainwater and melted snow, you can rest assured that next summer your pool will be ready for another season of family fun! This pool cover is extremely durable to withstand even the harshest winters
  • FITS 24’ ROUND POOL – This Winter Block Winter Pool Cover measures 27’ in diameter to fit a 24’ round pool without any issues
3
Blue Wave BWC704 Bronze 8-Year 18-ft Round Above Ground Pool Winter Cover,Dark Navy Blue

Rating is 4.8 out of 5

Blue Wave BWC704 Bronze 8-Year 18-ft Round Above Ground Pool Winter Cover,Dark Navy Blue

  • PROTECTS YOUR POOL - Blue Wave Winter Covers are perfect for regions that have winter weather. Designed to endure repeated exposure to harsh conditions, these covers provide protection for your above-ground swimming pool.
  • EASY TO SECURE - A vinyl-coated cable and a metal winch keep your pool cover secured tightly and efficiently. The cover features metal grommets spaced every 2-feet to ensure your pool remains protected.
  • STRENGTH AND DURABILITY - Crafted from woven, laminated polyethylene strands, every Blue Wave winter cover is treated to protect it from sunlight degradation. For additional protection, each cover has a black underside.
  • REDUCES SPRING MAINTENANCE - This solid cover with heat-sealed seams keeps dirt, leaves, and branches from decaying in your pool all winter, ensuring the water will be ready for another season of fun in the spring.
4
INTEX 28016E Solar Pool Cover: For 18ft Rectangular Frame Pools – Insulates Pool Water – Reduces Water Evaporation and Chemical Consumption – Keeps Debris Out

Rating is 4.7 out of 5

INTEX 28016E Solar Pool Cover: For 18ft Rectangular Frame Pools – Insulates Pool Water – Reduces Water Evaporation and Chemical Consumption – Keeps Debris Out

  • Helps keep pool water warmer
  • Comes with carrying bag
  • Durable 160 micron material
  • Note: This pool cover is made to FIT a 17'8" x 8'4" Feet rectangular pool
5
Robelle 361224 Pool Cover for Winter, Economy, 12 x 24 ft Above Ground Pools

Rating is 4.6 out of 5

Robelle 361224 Pool Cover for Winter, Economy, 12 x 24 ft Above Ground Pools

  • Winter pool cover to be used with traditional above ground swimming pools - Solid material will not let water pass through
  • Pool Size: 12 x 24 Foot Oval - Cover Size: 15 x 27 Feet (includes overlap in total)
  • 7 x 7 scrim - Polyethylene weighs 2.2 oz./yd2 - 3 foot overlap (Includes 3 feet of extra material beyond pool size, included in cover size above)
  • Cover should be able to float loosely on the water, consider going up a pool size if you have large top rails - Ice equalizer pillow sold separately
6
Robelle 351625-4 Pool Cover for Winter, Super, 16 x 25 ft Above Ground Pools

Rating is 4.5 out of 5

Robelle 351625-4 Pool Cover for Winter, Super, 16 x 25 ft Above Ground Pools

  • Winter pool cover to be used with traditional above ground swimming pools
  • Solid material will not let water pass through
  • Pool Size: 16 x 25 Foot Oval - Cover Size: 20 x 29 Feet (includes overlap in total)
  • Heavy-duty 8 x 8 scrim
  • Heavy-duty polyethylene weighs 2.36 oz./yd2
  • 4 foot overlap (Includes 4 feet of extra material beyond pool size, making this cover easier to install, included in cover size above)
  • Includes winch and cable, which should be used to secure the cover through the grommets
  • 10 Year Warranty
  • Cover should be able to float loosely on the water, consider going up a pool size if you have large top rails
  • Ice equalizer pillow sold separately
7
In The Swim 24 Foot Round Pool Value Winter Cover for Above Ground Pools

Rating is 4.4 out of 5

In The Swim 24 Foot Round Pool Value Winter Cover for Above Ground Pools

  • Solid round pool cover features 8 x 8 scrim
  • Cover dimensions: 27' in diameter, to fit round pools measuring: 24' in diameter
  • Made of laminated polyethylene sheeting woven with, high-density polyethylene stitching
  • Includes Cable and Turnbuckle
8
Swimline 24 Ft Round Above Ground Winter Pool Cover w/ 4'x8' Closing Air Pillow

Rating is 4.3 out of 5

Swimline 24 Ft Round Above Ground Winter Pool Cover w/ 4'x8' Closing Air Pillow

  • 3-4 Foot Overlap (cover size is 3-4 ft larger than pool size)
  • Closing Air Pillow is 4'x 8', 9 Gauge
  • Pushes your pool cover up off the water's surface so the water won't freeze to your pool cover
  • 30 Day Warranty Against Factory Defects. Warranty does not cover tears, rips, or holes


Should you leave the pool cover on if you plan to use the pool occasionally in winter?

If you plan to use the pool occasionally in winter, it is generally advisable to leave the pool cover off. This is because a pool cover helps retain heat and prevents debris from entering the pool, but it can also hinder the circulation and aeration of the water. During occasional use, it is better to allow the water to receive sunlight and air exposure, which can help prevent the growth of algae and maintain better water quality. However, if you live in an area with extreme weather conditions or feel that leaving the cover off would lead to excessive heat loss or debris accumulation, you may consider using the pool cover when the pool is not in use and removing it when you plan to swim.


How to deal with ice formation on a pool cover in winter?

Dealing with ice formation on a pool cover in winter can be challenging, but there are several steps you can take to minimize or prevent ice buildup:

  1. Use a pool cover pump: Invest in a pool cover pump specifically designed to remove water from the cover. These pumps automatically detect water accumulation and can help prevent ice formation.
  2. Regularly remove snow from the cover: Using a pool brush or a soft broom, gently remove any snow accumulation on the pool cover. Snow acts as an insulator, trapping heat and promoting ice formation. Removing it regularly helps to prevent this.
  3. Consider using an air pillow: Inflate an air pillow and place it under the pool cover. This helps to create a dome-like shape, preventing water from pooling on the cover and reducing the chance of ice formation.
  4. Install a pool cover heater or de-icing system: If you live in an area with long and harsh winter conditions, you may want to consider installing a pool cover heater or a de-icing system. These devices generate heat to prevent ice formation and can be beneficial in extreme climates.
  5. Regularly check for ice buildup: Even with preventive measures in place, ice may still accumulate on the pool cover. Regularly check for ice formation and remove it promptly using a pool brush or a soft broom. Avoid using sharp tools or objects that can damage the cover.
  6. Maintain water level: It's essential to keep the water level of your pool at the appropriate height during winter. If the water level is too low, the cover may sag, making it more likely to accumulate water and ice. If the water level is too high, it can freeze and cause damage to the pool and cover.
  7. Seek professional assistance if needed: If you're unsure how to handle ice formation on your pool cover or are experiencing excessive ice buildup, it may be helpful to seek assistance from a professional pool service company. They can provide guidance specific to your pool and climate.


Remember, safety is crucial when dealing with ice on a pool cover. Exercise caution and avoid walking on the cover if it is covered in ice, as it can be slippery and potentially dangerous.


How to prevent damage to a pool cover during winter storms?

To prevent damage to a pool cover during winter storms, you can follow these steps:

  1. Ensure a tight and secure fit: Start by making sure that your pool cover is properly anchored and tightly secured to prevent it from being blown away or shifted during strong winds. Anchor the cover with water bags, cover clips, or heavy-duty straps according to the manufacturer's instructions.
  2. Trim nearby tree branches: Trim any overhanging tree branches that could potentially break and fall onto the pool cover during a storm. Falling branches can tear or puncture the cover, so it's essential to minimize this risk.
  3. Use a leaf net or mesh cover: Consider adding an additional layer of protection by using a leaf net or mesh cover underneath the main pool cover. This will help prevent debris, such as leaves or large branches, from accumulating on top of the pool cover during storms.
  4. Regularly remove excess snow or water: After a storm, promptly remove any accumulated snow or water from the pool cover. Excessive weight from snow or standing water can put additional stress on the cover, potentially causing it to sag, rip, or collapse. Use a pool cover pump or a long-handle broom to remove the snow or water, being careful not to damage the cover in the process.
  5. Reinforce weak spots: Check your pool cover for any weak spots or areas that appear to be at risk of tearing. If you notice any damage or signs of wear, patch it up or reinforce those areas using a repair kit or additional material provided by the manufacturer.
  6. Regular inspection: Regularly inspect your pool cover throughout winter to ensure it remains intact and undamaged. Look out for any rips, tears, or loose straps, and repair or replace them as necessary.
  7. Consult professionals: If you live in an area prone to severe winter storms, consider consulting with a pool professional or experienced pool cover installer for additional advice or recommendations on protecting your pool cover.


By properly securing your pool cover, taking precautions to prevent debris accumulation, promptly removing snow or water, and regularly inspecting for damage, you can significantly reduce the risk of damage during winter storms.

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