The guage on the sand filter has the needle stuck behind the stop pin. I don't know how this happened, I assume during the winter. Do I just replace the guage?
Yep. Odds are, the insides froze and it went all the way around to end up behind the stop. It's ruined. Replace it. http://tftestkits.net/Untitled-Category-c12/ has good ones. If you need any test refills, order them at the same time and save shipping.
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