It should be on filter and don't forget to backwash at least once a week.
It should be on "FILTER"
Just leave it on filter
about an inch below the TOP of the filter...there should be a line on your filter...
Is a sand filter system or a saltwater filter system for above ground pools?
Just enough so that the skimmer is above the water and the pipes to the filter and filter can be drained.
YES it should be no problem
You could,When it's warmer.
Generally, that should not be a problem.
Install a new filter
What is a normal operating pressure for a jacuzzi sand filter for an above ground pool?"