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Old 04-28-2012, 01:18 AM   #11
Grinnan5150
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Dec 2011
St. Louis Area, MO
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Quote:
Originally Posted by Revvy
Starsan breaks down into phosphoric acid, which the yeast love. In fact it is good food for septic fields.

The foam is an important part of the sanitization process, 1) because it can reach into any nook and cranny (like in a kegging system) and 2) because it tends to cling surfaces, so that the sanitizer forms a barrier and anything the comes into contact with it is killed.

I put a lot of good info and tips of effectively using sanitizers in here. Including a podcast by the creator of starsan, and one by a rep from iodophor talking about that and more-http://www.homebrewtalk.com/f39/sani...uestion-54932/
Awesome. Thanks for the info!!!



 
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Old 04-28-2012, 01:26 AM   #12
drkaeppel
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Dec 2010
Lewisville, TX
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StarSan is fantastic.

Regarding your question about using Starsan with hard water: I have noticed that when mixed with hard water and left over a few days, a white precipitate forms. It obviously is reacting with the minerals in the hard water, but I'm not a chemist so I couldn't tell ya how it affects the pH.

I have noticed that mixing Starsan with filtered water out of the fridge results in a much clearer mixture with less precipitate.


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Old 04-28-2012, 01:28 AM   #13
sudsmcgee
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May 2010
Western Chicago Burbs, IL
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I have starsan that sits in a corny keg (for months), is cloudy and as of today is at a pH of 2.6. Cloudiness does not automatically mean it's no longer good.
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Old 04-28-2012, 01:40 AM   #14
Proboscidea
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Mar 2012
San Jose, CA
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Huh, my freshly mixed Star San is always cloudy. I thought everybody's was.

My water is hard.
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Old 04-28-2012, 10:38 AM   #15
Paul07293
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Apr 2011
, NY
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Mine is always cloudy but I have fairly hard water as well. I keep it in a 6 gallon bucket with a screw on lid. This current batch is 2 months old. I checked it with my pH meter Thursday and voila, 2.47, still good!
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Old 04-28-2012, 03:03 PM   #16
sarsnik
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Oct 2010
Pennsylvania
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Quote:
Originally Posted by drkaeppel View Post
StarSan is fantastic.

Regarding your question about using Starsan with hard water: I have noticed that when mixed with hard water and left over a few days, a white precipitate forms. It obviously is reacting with the minerals in the hard water, but I'm not a chemist so I couldn't tell ya how it affects the pH.

I have noticed that mixing Starsan with filtered water out of the fridge results in a much clearer mixture with less precipitate.
If the precipitate isn't soluble in beer or water, then the pH would be moving closer to 7

 
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Old 04-28-2012, 03:14 PM   #17
psymonkey
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Feb 2006
Hampton, VA
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Quote:
Originally Posted by sudsmcgee View Post
I have starsan that sits in a corny keg (for months), is cloudy and as of today is at a pH of 2.6. Cloudiness does not automatically mean it's no longer good.
That's good to know. I just started kegging and ran about a gallon of star-san through each of my lines/taps after cleaning and it came out super-cloudy on the other end, where my star san isn't normally like that. I dumped it.

 
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Old 04-28-2012, 09:01 PM   #18
drkaeppel
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Dec 2010
Lewisville, TX
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Quote:
Originally Posted by sarsnik View Post
If the precipitate isn't soluble in beer or water, then the pH would be moving closer to 7
Thanks. I thought that might be the case, but I didn't wasn't certain.
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Old 04-28-2012, 09:14 PM   #19
motlekj06
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Jan 2011
Pine Grove, PA
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Not to hijack the thread, i just didn't want to start another one about starsan. I read a lot about people soaking their bottles in starsan, which seems like kind of a waste. I have a spray bottle filled with it, would it be alright just to spray my cleaned bottles with starsan instead of soaking them?

 
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Old 04-28-2012, 09:19 PM   #20
BrewKnurd
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Mar 2011
Prairieville, LA
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Quote:
Originally Posted by motlekj06 View Post
Not to hijack the thread, i just didn't want to start another one about starsan. I read a lot about people soaking their bottles in starsan, which seems like kind of a waste. I have a spray bottle filled with it, would it be alright just to spray my cleaned bottles with starsan instead of soaking them?
Spraying is fine. I use a vinator. http://www.northernbrewer.com/shop/v...le-rinser.html


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