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Old 09-30-2009, 09:29 PM   #1
DubbelDach
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Default Storing empty kegs?

OK, so I opened an empty cornie that I haven't used for several months (it's my "road keg", I keep two others fully operational) and it had tiny black mold spots on the bottom.

Now, I thought this keg sufficiently clean and dry when I sealed it for storage. I suppose humidity in the air can be sealed in the keg, plus I was storing it in the garage over the humid summer.

How do I prevent this? I had some ideas, such as filling and pressurizing with Oxyclean, One-Step, or Star-San, but always came back to wondering if there was the possibility of long term danger to the steel.

If I don't seal the hatch, I am sure that insects will claim it as their home, as my garage is a spider/cricket battle zone right about now.

Thoughts?

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Old 09-30-2009, 09:42 PM   #2
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I store mine upright with the lid just hanging loose inside.

I realize you can't do this with all the creatures, but if I had to seal it because of insects I would probably fill it to the top with plain old water.

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Old 09-30-2009, 09:47 PM   #3
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Mold needs food to grow I clean them and then put a little sanitizer in swish it around and close em up. Never had any mold in kegs stored for months.

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Old 09-30-2009, 10:29 PM   #4
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I clean mine, add a gallon or so of star san, seal the lid and store it under 30 psi of pressure.

I use them as cleaning kegs until needed. Then, I squirt out some star san to re-clean the dip tube, dump the rest of the star san and refill.

If it is clean, sanitized and pressurized, nothing evil will get in.

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Old 10-01-2009, 07:20 PM   #5
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+1 on vanquishing evil. Clean, sanitize, purge out the air with CO2 and pressurize.

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Old 10-01-2009, 07:25 PM   #6
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I don't purge them during storage. Anything in there will die when it settles in the Star-san and can't grow if there is nothing for them to eat.

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Old 10-01-2009, 07:28 PM   #7
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Star San and compressed air.

Never had any mold.

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Old 10-01-2009, 07:42 PM   #8
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OK, so StarSan will not damage stainless?

If that's the case I'll start filling all my kegs......nothing wrong with having pre-made SS to use...everytime you open up a keg it's there.

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Old 10-01-2009, 07:47 PM   #9
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Quote:
Originally Posted by Cpt_Kirks View Post
I clean mine, add a gallon or so of star san, seal the lid and store it under 30 psi of pressure.

I use them as cleaning kegs until needed. Then, I squirt out some star san to re-clean the dip tube, dump the rest of the star san and refill.

If it is clean, sanitized and pressurized, nothing evil will get in.
+1

This is what I do except I only use a couple ounces of starsan then swish.
When I go to fill one that has been stored, it's comforting to pull the pressure relief and know the seals are still in good shape.
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Old 10-01-2009, 08:00 PM   #10
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Quote:
Originally Posted by homebrewer_99 View Post
OK, so StarSan will not damage stainless?

If that's the case I'll start filling all my kegs......nothing wrong with having pre-made SS to use...everytime you open up a keg it's there.
I do think that is correct. Although I store mine cleaned sanitized and dried and under CO2 pressure (when I am ready to use if its still pressurized then I don't worry that it may have a leaky relief valve or post)

Never store Stainless with a chlorine based solution like Diversol.
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