Can make unscrewing black tank cap easier?
Hi. We have a Sunseeker 3170, although I doubt my question is brand specific. It's getting harder for me to unscrew the cap on the black water tank. Is there anything I can spray or smear on the plast...
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Have you tried silicone spray? I use it on the valve stems when they are in the 'out' position to keep them from sticking.
