In-ground vinyl? It will probably be OK.
In-ground concrete? Some maintenance is needed . . . but do NOT remove the cover!
Exactly what's needed depends on your pool and chemistry. Have you tested the pool water, as is?
Can you post pix of the pool AND your equipment? ( Howto: pool9.net/postpix/ )
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Sorry. I was in focus-on-the-problem-at-hand mode.
I am sorry for your loss. My wife and I are in our 60's, so it won't be long, before at least one of us is gone . . . and we just can't imagine.
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