Home Brew Forums > Home Brewing Beer > Equipment/Sanitation > Sanitation: How long does Star-San stay good for (mixed up)?
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Old 06-14-2010, 11:51 AM   #11
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I was actually just wondering this - about storing Star San and other sanitizing products.

So if I'm going to be keeping a lot of Star San solution for long periods of time, is there anything wrong with keeping some of my brewing gear floating in it - to be ready-sanitized when needed? Like, my clear plastic siphoning tube?

Does bleach keep for months on end in this way as well? (I haven't quite managed to source any Star San yet.)


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Old 06-14-2010, 11:59 AM   #12
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I have left clear tubing in star san before.... i think it was about a week or 2... out of laziness and it completely clouded up the tubing....so I don't do that any more.

I'm not sure on the bleach. I only used it once when I first started. The contact time is high....I think like 30 minutes, and you have to rinse....so I don't use it anymore.


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Old 06-15-2010, 12:37 AM   #13
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Quote:
Originally Posted by SumnerH View Post
I always wondered why people complained about the price of StarSan. You're mixing up 5 gallons of it on bottling day?!! Then just pouring it out?
Hey man, don't freak out on me, I'm new to this. You're right, 5 gallons is way more than needed at a time, I get that now. Reducing volume + reusing = much less sticker shock.
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Old 06-15-2010, 03:58 AM   #14
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Originally Posted by SumnerH View Post
I always wondered why people complained about the price of StarSan. You're mixing up 5 gallons of it on bottling day?!! Then just pouring it out?
At 50 cents for 5 gallons I'm not sweating using it and dumping it.
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Old 06-15-2010, 10:49 AM   #15
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I had a gallon jug left from last Fall when I quit brewing. When I started again this Spring, I tested the pH using a strip, and it was fine. I mix all my Star San solution using RO (reverse osmosis) water from the grocery store. When judging some Star San solution, clear is good, but a pH of 3.5 or lower is the standard, as its operation is based on acidity.
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Old 06-15-2010, 05:21 PM   #16
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At 50 cents for 5 gallons I'm not sweating using it and dumping it.
i bought my quart of stansan to support my "local" hbs (only one in 300 miles) for twice what it goes for at NB or the likes. even so, i have still only used 3oz's in the year i have been using it.
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Old 07-05-2010, 03:54 AM   #17
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I'm sorry to resurrect this, but I'm so glad to those who wrote it!

I just happen to have an RO filter at home and decided to give it a try. WOW! My solution used to get cloudy in a matter of moments, now I have a 1 gal solution that's crystal clear several days later.
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Old 07-01-2013, 03:06 PM   #18
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Default Sorry for drumming up this thread, but...

I bought a bunch of distilled water (store didn't have RO at the time) and I made some StarSan solution out of it. I've had it stored for about 6 months...with no ability to test PH (well...not really).

It isn't crystal clear, but it isn't as cloudy as with tap water. It still foams up when I shake it.

Anyone have experience with plain distilled water. Also, does anyone know where I can get bottled R.O. water in Chicago that is actually good...not from bulk machine in Whole Foods, etc.

Thanks!
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Old 07-01-2013, 04:44 PM   #19
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Default Figured it out...

The spray bottle was a little cloudy and foamed medium. A gallon jug I had was clear and foamed a ton...just like new. I used that.

Still, I'm looking for good, RO bottled water in Chicago area so I can make some up and keep it for awhile.

Any suggestions?


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