I removed my faucet for cleaning, and noticed some Gunk and fuzzy stuff around the outer coupler connection. Is there any way I can remove the coupling nut and get at it without removing the whole shank from the collar? I am trying to get between the coupling nut and the next ring (the one with grooves the faucet attaches to)
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View attachment ImageUploadedByHome Brew1435879611.528424.jpg