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Author Topic: Another Brew Question - K Metabisulfite?  (Read 2470 times)

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bd

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Another Brew Question - K Metabisulfite?
« on: May 30, 2011, 11:12:49 AM »
We're going to have to change the name of this forum from "Tobacco and Libations" to "Answer Brian's Dumb Amateur Questions about Home Brewing."  :)

On the recommendation of All Seasons, I've been using powdered Potassium Metabisulfite, mixed 2 ounces per gallon of water, as my sanitizer solution.  However, I've got two questions about it:

1.  How long do I need to let my equipment stay in the solution before it's safely sanitized?

2.  Am I correct that K-M is a "no rinse" sanitizer?  For most of the popular sanitizers online (bleach, B-Brite, Idophor, Star San, etc) there are instructions on whether you need to rinse thoroughly afterward or not.  However, I can't find any confirmation on whether Potassium Metabisulfite is "rinse" or "no-rinse."  I assume it's "no-rinse" since K-M is also used in Campden Tablets for sterilizing must prior to pitching yeast and stuff like that, but I'm not sure.

Also, here's a bonus question:  for winemaking, I have found contradictory information online about whether to add potassium metabisulfite when racking from the primary fermenter into the secondary fermenter.  It seems to me like it's counterintuitive that you'd want to do that, since it stops any further yeast reproduction, but I'm not sure.  What do you guys do?

Thanks,

bd
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MikeA

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Re: Another Brew Question - K Metabisulfite?
« Reply #1 on: June 07, 2011, 07:48:57 AM »
Quote from: bd on May 30, 2011, 11:12:49 AM
1.  How long do I need to let my equipment stay in the solution before it's safely sanitized?

Something tells me you ask this question quite often.
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dgates

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Re: Another Brew Question - K Metabisulfite?
« Reply #2 on: July 19, 2011, 11:50:01 AM »
I have made one batch of wine previously. I got the kit from All Seasons and supplies. I used the K metab. solution letting the solution sit for about 2-3 minutes. Same thing with the bottles when bottling the wine and corks. It is a no rinse solution. 
I am not sure for the bonus question answer...I did use it to clean my secondary and never thought about it, until you asked.  Is it possible that most fermentation has already taken place in the primary, and the transerfing is more for the, reducing sediment, aeration, releasing of gases, and clearing prior to bottling?

I hope that helps
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Steve H

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Re: Another Brew Question - K Metabisulfite?
« Reply #3 on: July 19, 2011, 04:14:33 PM »
All my friends use Star San and they spray and go, as in almost immediately. It is definitely no muss, no fuss.
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