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Old 11-06-2012, 02:44 PM   #1
bacchusmj
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Default how long does star san last?

Ive got a gallon jug full from my last batch and I was gonna keep it to fill the spray bottle. Will it last a couple months?



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Old 11-06-2012, 02:47 PM   #2
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Usually, in a sealed container, it will last a good long time. Look for it turning cloudy, or getting a film on the bottom of the container it's in. I typically keep the spray bottle full of Star San, changing it either when it's below 1/2 full, or when I have mixed up a fresh batch.



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Old 11-06-2012, 03:02 PM   #3
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Mixed with distilled water it will remain potent for months...

Cheers!

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Old 11-06-2012, 05:16 PM   #4
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Check the pH for extended storage (I forget the number off the top of my head). Distilled water is supposed to last indefinitely.

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Old 11-06-2012, 08:51 PM   #5
biertourist
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I believe ph 3.3 or lower and you're good-to-go. It was mentioned in an old brewing radio podcast on sanitation.


Adam

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Old 11-06-2012, 08:56 PM   #6
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There isn't a sticky for this!? UTFSE plz



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