So I've been putting together a pair of cheap brew pots and picked up some two piece ball valves.
As I was checking the pots for leaks, I noticed that the water coming out of the valves had a sheen of oil and smelled strongly of synthetic oil.
I removed them and soaked them in hot water with grease cutting dish soap, scrubbed in the port with my fingers and the smell was still there.
So I soaked them in hot oxalic acid solution, scrubbed with my fingers and the smell was still there.
I've repeated this process four times now and I can still smell machine oil. Anyone know of a way to clean the valves properly without damaging the teflon seals?
Thanks in advance.