It is best if you do so that the water can circulate and so that the granular chlorine does not sit on a liner pool cause it will discolor the liner. With a gunite pool it can cause bleaching spots. It is not necessary though.
It does not matter if it is above or inground pool leave the pump on, the more the filter runs the fewer the problems you will have that goes for shocking the pool as well.
yes i believe so and make sure you mix in the shock
yes
It is best to leave running. Have a neighbor check for anything unusual.
there is probably something in the pool that got into the pump
No. Leave your filter running at least 8 hours per day, longer if your pool appears cloudy.
I clean my filter and skimmer basket and leave my pump running. I do not cover my pool. I guess it could depend on the weather in your area and if you have a problem with leaves getting in your pool.
No
Yes
Yes, you would actually prefer to use it when the pump is running
Certainly, if the pump is running. The primary pump intake is the main drain at the deepest part of the pool.
check the filter
Dig it up.
Yes, you should run the pump when you add chemicals to your water,
clean it out, just dont mistake it for a Tootsie roll