Hi all. I am about to open my pool tomorrow and forgot what could be a very important step. When I closed the pool after the summer I drained all the water out of the sand filter. I hooked everything back up and would like to know if I have to add water into the filter or can I just attach all my hoses and allow the pump to do its job to get the water in the filter? Also, what setting should I set the multipurpose valve when I first start? Should I backwash or is it OK to just put it to normal operation and hope for the best? Thank you
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