Should I drain my swimming pool in winter?

Author: Dr. Ellen Keebler III  |  Last update: Sunday, May 29, 2022

Close the pool for winter – but don't drain it.
In winter, the water in your pool is still your friend. Especially when properly winterized, it helps to protect the pool liner, keep it clean and prevent unnecessary damage from debris, harsh weather and other factors.

Why dont people drain their pool in the winter?

Pool lining can dry out when it's left without water overtime. When it dries out, it can expand and stretch, leading to cracks and imperfections. Then, when you fill the pool back up, the water can seep through those cracks and cause damage.

How much water should you leave in your pool in the winter?

Drain the water down to no more than 6 inches from the bottom of the skimmer if you plan to use a standard floating winter cover. Use your pool filter, switched to the "Drain" setting, to empty the pool water.

How far should I drain my inground pool for winter?

Your water should only be drained so it sits just below the skimmer and jets. This helps make sure that no water can get into the pumping system. You may also need to drain a few extra inches of water, depending on the type of pool cover you're using.

Should I drain above ground pool for winter?

You'll need to keep draining water off the cover with a pump or siphon to protect it from damage. Important: Never drain an above ground pool completely when winterizing. Your vinyl liner can dry out, shortening its life considerably.

Can I leave my inground pool empty over winter?

Is it OK to leave an inground pool empty?

How long can you leave a pool empty? Well, the minimum amount of time possible in order to minimize the risk of serious damage. Most issues that require a pool drain will take at least a day or two to resolve, but it's recommended to not let it sit empty for any extended period of time.

Should I drain my Intex pool for winter?

This is why the Intex pools manufacturer strongly recommends draining and disassembling your pool if the temperatures in your area drop to or below 41°F (5°C). And so do we. We don't want your cozy winter by the fire to be ruined by a messy pool collapse.

How do you maintain a pool in the winter?

Here are our top 10 winter care tips for your pool:
  1. Prevent the System from Freezing. ...
  2. Dry the Pool Cover. ...
  3. Make Sure the Pool Cover Fits. ...
  4. Add Mid-Winter Algaecide. ...
  5. Reduce the Water Level. ...
  6. Adding Chemicals. ...
  7. Store Pool Accessories Away. ...
  8. Check the Pool at Regular Intervals.

Should I add chlorine to pool in winter?

Add Chlorine to Your Pool to Ensure a Clean Opening

In the fall, make sure to add chlorine and algaecide to your pool for over the winter. Don't add too much chlorine though. If the chlorine level is too high over the winter, you can bleach the liner.

How often should you run your pool pump in winter?

Depending on the size of your pool, we still recommend you run your pump run at least 4-6 hours a day during the fall and winter months. The daily cycle can be divided into multiple cycles, but each cycle should be no shorter than 4 hours, for all the water to pass through the filter at least once.

Should I put chlorine in my pool during the winter?

Though the growth rate of algae slows down as water gets colder, we recommend keeping the free chlorine level between 2-4 ppm, as mentioned above. In some areas it's possible to see steady temperatures above 60 degrees in January or even February, giving algae a chance to grow. Don't risk it.

How do you winterize an Intex pool?

How To Winterize An Intex Pool
  1. Gather your winterizing materials. ...
  2. Remove your pool equipment. ...
  3. Remove old filter cartridge. ...
  4. Clean your pool and its equipment. ...
  5. Balance your pool water. ...
  6. Add winter chemical kit. ...
  7. Install the pool air pillow. ...
  8. Cover your Intex pool.

Can you leave a vinyl pool up in the winter?

If you have a vinyl-lined above-ground pool, leaving it full for the winter will protect the vinyl liner from shrinkage and other damage. Since these pools are above ground level, keeping them full ensures that the wind will not damage the walls, liner, or frame.

Should I drain my above ground pool?

Important: Never completely drain an above ground pool. This can cause your pool to collapse. If your pool is plumbed with detachable, flexible hoses, remove them and store for the winter. Remove all drain plugs from the pump, filter tank, and any other pool equipment.

Does draining a pool damage it?

First, if the draining is done at the wrong time or under the wrong conditions, you can actually risk damaging your pool structure and liner. All the water from your pool needs to go somewhere when it's drained, and that usually means the ground.

Will an inground pool collapse without water?

Most inground fiberglass and concrete pools are built structurally to withstand the weight of the dirt against them when drained. However, if the groundwater is high enough, it can push the entire pool out of the ground. The pool shell acts like a ship and floats up in the groundwater.

Can I drain my concrete pool?

In general, draining this type of pool is the trickiest. Inground pools made of concrete or gunite are susceptible to popping out of the ground if drainage is not done properly. If there has been a surplus of rain recently or your pool is located in a wet area, it is best not to try and drain the pool yourself at all.

What happens if pool water level is too high in winter?

It is very important to evaluate the water level in your pool and keep your water level well below the coping and tile or otherwise when the water freezes it will expand and the force of the ice will crack tile and coping resulting in expensive repairs.

How do I clean my Intex pool after draining?

  1. Step one: Drain the pool. ...
  2. Step two: Remove the dirty pool liner. ...
  3. Step three: Prepare the pool liner. ...
  4. Step four: Make a cleaning solution. ...
  5. Step five: Scrub the pool liner. ...
  6. Step six: Wash the pool liner. ...
  7. Step seven: Dry the pool liner. ...
  8. Step eight, option A: Refill the pool.

How do you shock a pool after winter?


The best way to administer shock into your pool is by pouring it into a bucket of water with at least a couple gallons of water. Mix it to dissolve and pour the mixture around the perimeter of the pool. Remember: Always add shock to water, never add water to shock! Now it's time to wait a while.

Do I need to put chemicals in my pool during the winter?

Ideally, your pool's chemistry should remain as balanced as possible throughout the winter. Keeping everything balanced is easily accomplished by testing the water at least once per week. There's a low chance that you'll need to add chlorine as long as the pool isn't being used and there is no water circulation.

What chemicals do you put in a pool for winter?

What Pool Closing Chemicals Do You Need?
  • Chlorine-Free Pool Shock: Add 2 days before closing the pool.
  • Stain & Scale Treatment: Add 1 day before closing the pool.
  • Winter Algaecide: Pour into the pool just before covering.
  • Winter Floater: Place into the pool just before covering.

Can I turn off my pool pump in the winter?

Even if you have your pool covered, some debris may still get in it during the winter. For this reason, you should consider running your pump on occasion whenever the outdoor temperature is between 35 and 65 degrees. Around four to six hours should be sufficient to remove debris and help promote good circulation.

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