This is because pool covers are not made to withstand the weight of water or anything else on top of them.
Water on top of pool cover.
Whether you have an above ground or in ground variety if you cover your pool to prepare it for winter it will inevitably collect water prior to you taking it off to use the pool again in the summer.
One way to do this is by removing the water from your cover.
Also important to mind the water level on top of of your winter cover.
Before you can remove the cover you have to remove the water that s on top of the cover.
If the pool loses 6 12 of water with rain water pooling on top of the cover it will damage the cover and possibly the pool.
Fix leaks before closing or add water under the cover if needed.
Using a bucket to bail water off the pool cover may be worth it if you only have a small amount of water on the cover.
If water on top of a cover is important the level of water under the cover is crucial.
The most horrible thing that can happen is when water causes your cover to rip.
Allowing water to pool on the top of your cover can cause damage to both the cover and your pool depending on the type of each.
You can easily remove the water with a simple water hose.
So many things can happen when so much water accumulates on top of the cover.
Safety cover manufacturers warn to never let the water fall more than 18 below the cover.
Water accumulation can damage pool covers.
If a pool begins to leak water during winter solid covers can fall in and safety covers won t have the support needed.
While you can try siphoning the water off with a garden hose or scooping it with a bucket a much more effective method is to use a pool cover pump.
If it drops more than an inch it can stress the cover and the pool.
A small bit 1 4 1 2 of rain water is ok but more than that could stress the cover and 6 12 of water will push pool water over the edges lowering.
You surely don t want to lose something you paid for so easily.
It doesn t matter what has prompted you to do so but sooner or later all pool owners will be faced with the task of removing the yucky water that has accumulated on top of the cover.
One of the most annoying things that happen to you is seeing the water on top of your pool cover.