For large pool wrinkles you ll definitely need to remove water from the pool.
Removing wrinkles from vinyl pool liner.
This means that the liner may have a leak that allows the water to occupy the space underneath thus creating the wrinkles.
Preventing and removing wrinkles.
Pull the liner to the sides of the pool which pulls the floor of the liner tight.
Liners can develop wrinkles as they become hardened.
This will soften the liner and allow you to work wrinkles out with the pool brush.
If you have just removed the cover to your pool and have not filled the pool with water yet and you have found that the liner is floating now is a good time to prevent wrinkles from forming as you are adding water to the pool you will be able to move the liner around to position it as it should be as it begins to sit back against the.
If your pool is not full of water and there are a few wrinkles in the lining you want to get rid of you can smooth out the wrinkles with a toilet plunger.
You are advised not to put the toilet plunger directly on the wrinkle but you can put it to the side of it to remove wrinkles from the pool liner.
Use shop vacuum to push air under the liner if none of the above works you can drain your pool and use a shop vacuum in reverse placing the hose between the liner and pool wall then start vacuum.
If this is the case it can be very hard to move the wrinkles as they will be inclined to return to their original spot.
How to remove wrinkles from inground vinyl liner pool.
Drain the pool until there is between one and four inches of water on the liner.
Wrinkles on the wall of a vinyl liner pool are usually a result of a liner that has shifted while water was under it but has now settled since the water has receded.
Flatten out any residual wrinkle.
Step 4 drain the pool.
Use shop vacuum to push air under the liner if none of the above works you can drain your pool and use a shop vacuum in reverse placing the hose between the liner and pool wall then start the vacuum.
This pushes air between the liner and pool wall pushing wrinkles out of the liner.
Below are some tips on prevent pool wrinkles.