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Old 04-02-2009, 01:34 AM   #1
Nov 2005
Newport News, VA
Posts: 662
Liked 3 Times on 2 Posts

Up until now I wasn't really sanitizing very well just using a no rinse cleaner and it was working but I got some IO Star cause I figured odds were against me. Anyway I mixed up 5 gallons in an extra pail and I am wondering if I can just throw a lid on it and use it again the next time I brew? Is there a life expectancy to it? Or should I chuck it and just do a new batch every time?
Primary - Empty
Secondary - Empty
Bottle Conditioning - None
Drinking - Peanut Butter Oatmeal Stout, Barleywine, Saison, APA, Strawberry mead
In the Works - Summer Rye for my wedding, May 15, 2010

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Old 04-02-2009, 01:50 AM   #2
Edcculus's Avatar
Jun 2007
Greenville, SC
Posts: 4,546
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IO Star is an iodine based sanitizer. Iodine based sanitizers cannot be stored for more than a day or maybe two.

The Brew Strong episode on Sanitation can probably tell you more.

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Old 04-02-2009, 01:57 AM   #3
Jan 2009
Wyoming, Michigan
Posts: 922
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Go with Star San if you want a sanitizer you can keep around. DFTF!
Rockin' L Fabrication and Beverages

Gambrinous - to be full of beer

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Old 04-02-2009, 10:49 AM   #4
rico567's Avatar
Apr 2008
Central IL
Posts: 3,018
Liked 87 Times on 81 Posts

I use Star San exclusively. When I first started I used acidified bleach, but after 5 or 6 batches I discovered Star San, and never looked back. It's extremely inexpensive mixed to specs, I only make a gallon at a time. Since it's basically a contact sanitizer, there's little waiting, and I can just spray it on where appropriate. It will last through at least 4 brewing operations, and in between uses I just store it in a glass jug, and use pH paper to test it before each use. I see no reason to look elsewhere for a sanitizer.
“Malt does more than Milton can / To justify God’s ways to man”

-A. E. Housman (1859–1936). A Shropshire Lad , 1896.

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