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Does anyone know how I'm suppose to open this?
(thelemmy.club)
I believe this is the vent to my plumbing but I’ve never seen a cap like this. Any ideas?
It’s solid but not very strong. I tried to use a small wrench and it was breaking the nubs. The thing is incredibly tight
Wrench on one nub, or across two like a bar? Could be they have a tool that engages all 4 nubs at once so they don't snap off, or thing was over tightened.