You should wait about 2 weeks before using a wheeled vac head OR follow the advice of the installer. He is the last authority on that subject.
Drain pool and clean with muriatic acid
The plaster would not adhere to the liner. k
NO NO !! You must remove the vinyl completely and then check what substrate you have. Concrete plaster or brick will be fine.
Why in the world would you want to paint a marbelite or plaster pool?
Long enough to clean the pool.
To turn on the pool vacuum, locate the power switch on the vacuum unit and flip it to the "on" position. Make sure the vacuum is properly connected to the pool's filtration system before turning it on.
It is generally safe to add pool chemicals while the vacuum is operating as long as you follow the manufacturer's instructions for both the pool chemicals and the vacuum. However, it may be more effective to add chemicals when the vacuum is not running to allow the chemicals to distribute evenly throughout the water before the vacuum starts circulating.
20 year old marbelite pool How to refinish, paint or what Yes you can, There are many epoxy paints especially formulated for this purpose. See the link for complete instructions and video.
No, you do not have to. You just have to be careful not to swim into them.
Probably about same length so you can vacuum all sides.
Any pool vacuum can, including the Polaris.
How do I vacuum an above ground doughboy pool?