If you are referring to the water on top of the cover, it is best to drain it first and then remove the pool cover starting from one end. This way you don't have to contend with a complete mess in the pool water.
Tie bricks onto the tarp or water filled bottles, make sure you pure enough and space them far enough away so they dont collapse in
Install a tarp to cover pool construction area. Install small sump pump at bottom of pool area
Yes. Evaporation will happen regardless especially with a porous material like a tarp.
Line it with tarp and get a hose. Wont work to well but whatever.
At night yes. During sunny days, you will be better off removing the cover or using a clear cover.
An average tarp that I purchase from the lumber yard for covering wood outside might last 3 years, a regular pool cover will last up to 5 years or you can purchase them to last up to 10 years. A pool cover is more durable.
Tell us it isn't canvas.
Put a tarp roughly as big as your pool on it overnight if it is near a garden with good hiding places for small things.
A polyethylene tarp or poly tarp is considered as advanced and the most superior tarp for coverage. They are highly durable and are treated with chemicals to make them fire retardant. They are the perfect kind of tarp used for everyday purposes. They can be used in camping, as roof or pool covers or even for commercial services. Poly tarps are waterproof, tear-resistant, fire-resistant, flame-retardant in nature.
The plaster would not adhere to the liner. k
The pool, filter, and pump all need to be drained. If it is a soft sidered pool, it should be collapsed and covered with a tarp. If hardside pool, cover will a pool cover once drained down.