To remove verdigris from metal, soak the metal piece in vinagar for an hour or
two. On a tank valve, soak a washcloth in vinager, place it over the valve,
cover it with a plastic bag and secure with a rubber band. Wash it off with
fresh water using an old toothbrush when you're done.
Andy Cohen
______________________________ Reply Separator _________________________________
Subject: Re: O2 Tanks
Author: Eric Maiken <ebmaiken@ea*.oa*.uc*.ed*> at ~INTERNET
no matter how hard you try to keep salt water out of the valve
opening, you will end up with thebrass threads of the valve spindle
covered with verdigris (which is not only tasty, but clogs the
regulator's sintered filter and binds badly)
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