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gpack 12-02-2012 08:34 PM

Stainless Patina
 
Just inherited three very good shape half barrels I am going to convert into keggles. I have a few questions to throw to the winds.

1. The kegs were cut with a torch w/o water and some slag got onto the bottom. I used a flapper and got it all up, but there is a slight rosy/reddish dull patina on the insides of the kegs. It's not rust as I have already tested a rust converter on a test site. Anybody know what this is? It's uniform in its coverage.

2. Anyone know the best place to find lids that fit the shape of kegs?

3. Does anyone know the solution strength of Nitric acid needed to passivate the insides once I get them all cleaned out?

Cheers!

RScottyL 12-05-2012 10:15 PM

Quote:

Originally Posted by gpack (Post 4642317)
Just inherited three very good shape half barrels I am going to convert into keggles. I have a few questions to throw to the winds.

1. The kegs were cut with a torch w/o water and some slag got onto the bottom. I used a flapper and got it all up, but there is a slight rosy/reddish dull patina on the insides of the kegs. It's not rust as I have already tested a rust converter on a test site. Anybody know what this is? It's uniform in its coverage.

2. Anyone know the best place to find lids that fit the shape of kegs?

3. Does anyone know the solution strength of Nitric acid needed to passivate the insides once I get them all cleaned out?

Cheers!

You double posted this! Can you delete one of these threads?

Dert 12-05-2012 11:18 PM

Just scrub the whole interior down with a sloppy slurry of bar keeper's friend and a 3m green scrubby.

modenacart 12-06-2012 02:12 AM

Stainless wool works very well.

Monster Mash 12-06-2012 04:08 PM

Quote:

Originally Posted by modenacart (Post 4654057)
Stainless wool works very well.

Never use stainless scrubbies on your pots!! Most of the time they are not really stainless and will make your pots rust worse. The green 3M pads works the best.

dmfa200 12-07-2012 10:30 AM

Quote:

Originally Posted by Monster Mash (Post 4655583)
Never use stainless scrubbies on your pots!! Most of the time they are not really stainless and will make your pots rust worse. The green 3M pads works the best.

Never say never.
I use stainless scrubbies on my keggles every time I brew, and guess what?
No rust!
I have to admit though that I have been a welder 23 years so, I know how to treat stainless steel.

modenacart 12-09-2012 12:21 AM

Quote:

Originally Posted by Monster Mash (Post 4655583)
Never use stainless scrubbies on your pots!! Most of the time they are not really stainless and will make your pots rust worse. The green 3M pads works the best.

If a scrubby states it is stainless, it is most likely stainless. I have used them for a long time and they work much, much, much better than 3M pads.

phoenixs4r 12-09-2012 03:32 PM

Bar Keepers Friend is one hell of an amazing product. I would try it out, as it has cleaned up quite a few rust pots and other "unknown" colors of stuff in my boil kettle I frankly thought was never coming out. I think you can even get it ad home depot.

gpack 12-14-2012 11:25 PM

Quote:

Originally Posted by Dert (Post 4653475)
Just scrub the whole interior down with a sloppy slurry of bar keeper's friend and a 3m green scrubby.

Quote:

Originally Posted by phoenixs4r (Post 4665194)
Bar Keepers Friend is one hell of an amazing product. I would try it out, as it has cleaned up quite a few rust pots and other "unknown" colors of stuff in my boil kettle I frankly thought was never coming out. I think you can even get it ad home depot.

Worked like a champ!


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