Oxiclean in Corny - How Long is Too Long?

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ultravista

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My cornies are really dirty inside, a lot of soda residue.

I added a scoop of Oxiclean and mixed it well with 5 gallons of hot water. Pressurized the keg with O2 to seal and let it sit overnight.

How long can I leave Oxiclean in the keg before washing?

I left Oxiclean in my Keggle for about a week, in that week a layer of crud formed on the bottom that had to be removed with vinegar.
 
You should be able to leave Oxiclean/PBW/CMC/One Step/etc. on stainless pretty much indefinitely. It isn't caustic or anything. You'll precipitate out some mineral scale, but like you said, a quick acid rinse will get that out.
 
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