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Old 10-27-2010, 04:25 AM   #1
ChandlerBang
 
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Long story short, I have half a bottle of Star San that I got from a guy that I bought a bunch of brewing stuff from. We think it is a couple years old. Is it any good? What is the self life on the stuff?

Thanks

 
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Old 10-27-2010, 04:30 AM   #2
Nateo
 
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do you have pH strips or a meter? Mix some up and test it.
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Old 10-27-2010, 04:44 AM   #3
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I do not, but I will tomorrow. What pH range am I looking for?

 
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Old 10-27-2010, 04:46 AM   #4
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Around 3 or less I believe
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Old 10-27-2010, 04:52 AM   #5
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Thanks. Another random question, how do you get the signature to show up at the bottom of the reply?

 
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Old 10-27-2010, 03:36 PM   #6
Nateo
 
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Found a post on another forum by Charlie Talley, the Starsan man himself:

Star San is based on phosphoric acid, being an acid is is very friendly to s/s. When storing the use solution of Star San keep these things in mind. First it is still active as long as the pH is below 3, and the solution is clear. When the solution turns cloudy the soap in Star San has reacted with the mineral in the make-up water and has made the final solution useless. A good way of getting around this is to make up the Star San up with D.I. Water.

Keeping Star is plastic or in Stainless Steel is OK as long as the first two comments are met.

Star San will kill just about every organism known to man in 30 seconds.

And last but not least is the foam. Since Star San will not kill when the pH goes above 3 any small amount left in a bottle or a keg will not stop the furmentation process and it is safe to drink the beer that is what comes out of the package. That is why Star San has a no rinse claim.

Oh one more thing Star San is an acid and it will make a mess of counter-tops and rugs if it is spilled on them be carfull when using it.

Charlie
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Old 10-27-2010, 04:15 PM   #7
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Quote:
Originally Posted by cwaite37 View Post
Thanks. Another random question, how do you get the signature to show up at the bottom of the reply?
User CP (top left of the 'bar') is User Control Panel. Play around in there. Oh, and WELCOME to HBT!

 
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Old 10-27-2010, 07:53 PM   #8
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also at the tops, quick links - user control panel - edit signature
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Old 10-27-2010, 08:01 PM   #9
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Quote:
Originally Posted by Nateo View Post
Found a post on another forum by Charlie Talley, the Starsan man himself:

Star San is based on phosphoric acid, being an acid is is very friendly to s/s. When storing the use solution of Star San keep these things in mind. First it is still active as long as the pH is below 3, and the solution is clear. When the solution turns cloudy the soap in Star San has reacted with the mineral in the make-up water and has made the final solution useless. A good way of getting around this is to make up the Star San up with D.I. Water.

Keeping Star is plastic or in Stainless Steel is OK as long as the first two comments are met.

Star San will kill just about every organism known to man in 30 seconds.

And last but not least is the foam. Since Star San will not kill when the pH goes above 3 any small amount left in a bottle or a keg will not stop the furmentation process and it is safe to drink the beer that is what comes out of the package. That is why Star San has a no rinse claim.

Oh one more thing Star San is an acid and it will make a mess of counter-tops and rugs if it is spilled on them be carfull when using it.

Charlie
that is great in regards to the solution. But I think the OP is quering about the shelf life of the concentrate. Which, IIRC, is very stable.

 
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Old 10-27-2010, 08:06 PM   #10
ChandlerBang
 
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Great info thanks. I bought a bottle of Iodophor at the LHBS today because she SWEARS by it. And had an otherwise unimpressed look on her face when I said I read a lot of good things about Star San. Do I need to rinse after using Iodophor?

 
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