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Old 02-18-2009, 04:48 PM   #1
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Default Iodophor lasting power

If i make up a 3 gal bucket of iodophor solution and keep it covered how long will it keep its sanitizing properties? Will I be able to use it till its gone, say maybe a few months?

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Old 02-18-2009, 05:08 PM   #2
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Its usually only good for a week tops, Star san is good for longer 30 days or more.

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Old 02-18-2009, 05:09 PM   #3
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Iodophor is only good for around 12 hours. That's why I use Star-San

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Old 02-18-2009, 05:18 PM   #4
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Ive read a lot of the info, and I go with Rick....If you use distilled water, and if you close it up to air (like with a bucket lid) you can keep it viable for about a week.

(In a squirt bottle with distilled water, it lasts for months)

You go by color to asses viability....another thing to do when it fades is to "spike" it with a little more iodophor to bring it back to straw color.....

If I don't seal up a bucket, and use tap water, I only get about 24 hours of usage before it fades....

But since I use bulk iodine teet anesceptic that I buy frm TSC for 14 bucks a gallon, I can afford to be a little wasteful with it...especially since I often alternate sanitization with starsan to keep ahead of any house germs I may develop...

There's a lot of great tips and info about sanitizing with iodophor or starsan (a lot of it that I dug up and posted early last year) in here.... http://www.homebrewtalk.com/f39/sani...tizer+question

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Old 02-18-2009, 05:25 PM   #5
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There's a chemist on here somewhere who can tell us why but Iodophor doesn't last once mixed up the way the acid-based sanitzers can.

http://www.homebrewtalk.com/f11/what...rs-used-43688/

Edit: See above

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Old 02-18-2009, 05:28 PM   #6
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If the Color fades it is no good anymore, However I have had luck letting it sit for 4 1/2 days. However If the OP is leaving for a couple of monthes I doubt any sanitizer Will last.

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Old 02-18-2009, 05:31 PM   #7
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Thanks guys

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Old 02-18-2009, 05:36 PM   #8
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Quote:
Originally Posted by RICLARK View Post
If the Color fades it is no good anymore, However I have had luck letting it sit for 4 1/2 days. However If the OP is leaving for a couple of monthes I doubt any sanitizer Will last.
+1 to this!
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Old 02-18-2009, 05:51 PM   #9
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Dutchboy:

Why do you need to mix up so much at once? I rarely make more than a gallon at a time, and that's for brewdays and sanitizing multiple kegs. A squirt bottle lets me mix iodophot a liter at a time, and keeps my usage way down.

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Old 02-18-2009, 06:03 PM   #10
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Quote:
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Dutchboy:

Why do you need to mix up so much at once? I rarely make more than a gallon at a time, and that's for brewdays and sanitizing multiple kegs. A squirt bottle lets me mix iodophot a liter at a time, and keeps my usage way down.
That's true...even to sanitize a 5 gallon pale or carboy you can swish and swirl a gallon (or however many liters that would be.

A squirt bottle is a beautiful thing...and for tools you can also use a wallpaper tray.

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