The wrinkles are there to provide for liner shrinkage over the years.
Hydrostatic pressure or poor water chemistry. If the watertable is high the liner will float and when the water recedes will create a suction and pinch the liner. If your alkalinity and stabilizer levels are low the sanitizer will not have any molecules to attach to so it goes after the vinyl. The pulls the plastizer out the vinyl and causes it to prematurely fade and wrinkle.
concrete
i would call your local pool dealer or redrain the whole pool and wait 2 days for your next attempt. Then take 4 advil and call me in the morining Ask yourself if you are smarter than a 12 your old
form_title= Pool Paint form_header= Make your pool your dream with pool paint. What is the square footage of your pool?*= _ [50] Is your pool above ground or in ground?*= () Above Ground () In Ground What color do you want to paint your pool?*= _ [50] Do you need to remove old paint?*- () Yes () No
Try casting a flocculant let it settle for a couple of days and then vacuum the bottom layer of water to waste you will see the layer you want to remove on the bottom of the pool. check with your pool shop for a good brand of flocculant.
If you can see them when its dry, you will see them when its full. Put a shop vac into the hole for the return(where the water goes back in). It will pull the liner tight to the walls and floor.
There is no filter at the bottom of a pool. Perhaps you are looking at the hydrostatic valve which is there in case your pool is emptied and Will make sure that the pool wont float in ground water.
If water is getting behind the liner, sorry to say you have a leak. This will also cause wrinkles. Check around main drain if you have one.
You don't "start" an above ground pool. You start cars, motors and engines. You need a hose and water flowing through the hose and stick the hose in the bottom of the pool. Then you wait days for it to fill.
Use what is called in the trade - a leaf rake - it is a net device that has a deep pocket and attaches to a swimming pool telescopic pole.
To level the ground for an above ground pool, you can use a shovel and a level to remove any bumps or dips in the area where you plan to place the pool. Make sure the ground is flat and even to ensure the pool sits properly and is stable.
Turn the pool upside-down and knock on the bottom.