Otherwise avoid draining your pool if at all possible.
Draining above ground pool because of algae.
I personally recommend using a combination of the two because siphoning is pretty fast but a pump will help remove that last foot or so of water that the siphon can t quite get to.
Depending on the size of your pool the draining process can take as little as an hour and as long as half a day while you wait for the water to empty.
It s important to protect your pool from collapsing by draining it on a day where there are no high winds or bad weather that could cause the empty pool to become damaged.
Drain the water down leaving a foot or so of water in the pool.
You need to test your chlorine and ph levels with a good test kit which are more accurate than test strips and bring your ph level to about 7 8 by adding sodium carbonate to increase it or sodium bisulfate will also need to make sure the chlorine is at least above 1 ppm.
Draining the pool can also save money because you don t have to dump in tons of expensive pool chemicals to correct bad water.
Basically if you want to know when to drain a swimming pool the answer is when you have no other alternative.
To drain the pool we prefer to use a sump pump.
Start by draining the above ground pool with a sump pump siphon or other means.
In prevention and treatment water chemistry is one of the most important steps to getting and keeping your pool algae free.
With that being said preparing your above ground swimming pool for draining is still pretty straightforward and can be broken down into a series of simple easy to follow steps.
Do not drain the water directly next to your pool because that 20 000 gallons of drained water may seep underneath the pool causing erosion or soil shifting problems.
Pools will need to be drained and refilled every 5 7 years on average or if there is a major necessary repair.
Draining a pool should be a last resort.
You can use a submersible pump or siphon the water out with a garden hose.
You could drain it down even lower but you must work fast as the sun will cause the pool liner shrink in as little as a day.
Not only are they simple to use but you do not have to babysit the pump as it drains the pool as you would if.
You pretty much have two options when it comes to draining an above ground pool.
When about 75 of the liquid is drained your pool will experience some loss of shape.
In many cases a partial drain will get the job done if you have a main drain and a sand or de filter you can close the skimmers and pump the pool down on backwash or waste to about 3 from the shallow end floor then fill it back up again.