How to Drain a Swimming Pool: The Complete Guide
Is it time to drain your pool?
You've put this chore off for so long, but the time has come. It's got to the point that you need to empty out the water.
It could be because the water needs replacing. Or it could be due to some repairs that need to take place. Perhaps a storm is coming, and you don't want your backyard to flood.
Whatever the reason, you need to know how to drain a swimming pool properly. Getting it wrong could end up causing damage, and you'll be up with more chores on your list. So make sure to follow this guide if you want to get back to splashing around in it faster.
How to Drain a Swimming Pool That's Above the Ground
Generally, draining an above-ground pool is not recommended. Especially if it's a vinyl one. There's a strong chance that the liner can relax or shrink as the water is getting drained.
As you're refilling it, the pool may rip or wrinkle during the process. If you're changing the water due to algae or other conditions, leaving four to six inches inside is best. Then, clean the vinyl and treat the water before refilling it back up.
Draining a pool can be tricky as only one pipe comes out, and a separate hose is returning to it. There's also no main drain, so you'll need to use your pool filter system to help lower the water levels.
You can use a submersible electric pump to help or a garden hose to siphon the water out. Make sure you're releasing it as far away from the pool as possible. The last thing you want to do is saturate the ground beneath the pool.
You'll need to monitor the draining process continuously. As soon as you've emptied as much as you can, you need to work fast to clean the inside of the pool. Then, refill it as quickly as possible so the sun doesn't damage the exterior.
How to Drain a Pool That's In-Ground
Draining an in-ground pool is easier, but the risks are the same. You still need to take care of the vinyl or fibreglass, which can get easily damaged. Concrete pools are much more stable, but you must take care of the valves and relief plugs inside the main drain.
The pool filter pump is the easiest way to drain a pool. If you have skimmer valves and a separate main drain, close the valve and open up the drain.
Put the filter multiport valve in the recirculate position. Then turn on the pump and take out the backwash hose. You'll need to monitor the draining process to ensure it performs properly.
Once you hear the drain attempting to suck air, use a smaller pump to get the last of the water out. Alternatively, if you have a skimmer with a hole in its bottom, you can plug the top of it using an expansion plug.
If this method isn't working or your in-ground pool has a different setup, you can empty it in other ways. You can purchase a submersible pump to complete the job in a day.
Another option is gas-powered trash pumps. They're a little more expensive but are available for rent. They can complete this chore in around two hours and are perfect for pools full of solids and nasty clumps.
When Is the Best Time to Drain Pool Water
If you're determined to drain water for a pool, you must pick the right time to complete the task. Certain conditions make it an ideal time to do it, whilst other times may end up causing more problems for your pool.
You should always avoid draining a pool before, during, or after storms or flooding. These events raise the water levels, meaning you'll have more to drain. This will flood your backyard and could impact the pool's supporting structure.
It's also important not to leave the pool drained for too long. So, if you have to perform repairs, you must be ready to go the second the process is completed. Try to create a timetable so you know how much time you need before you can fill it up again.
Lastly, temperature makes a big difference as to when you should drain pool water. Exposure to cold air can damage the surfaces of the pool. Scorching temperatures will also crack fibreglass if left dry for too long.
It's best to plan ahead with the weather and aim for a day that's going to be between 55 and 85 degrees Fahrenheit. Pick another chore on your list to complete if it's outside of this range.
Does Your Pool Need an Upgrade?
Understanding how to drain a swimming pool properly takes skill and expertise. It also relies on factors outside your control, such as the weather. If you're determined to tackle this task on your own, it's essential to follow every step in this guide and complete it as quickly as possible.
If your pool is beyond repair, it might be time to upgrade. We offer a range of custom pool options that will enhance your backyard to brand-new heights. Get a free consultation today and find out how we can bring your pool fantasy to life.
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