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star san age

http://www.thebrewingnetwork.com/forum/viewtopic.php?f=5&t=33137

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star san age

Posted: Sat May 21, 2016 9:51 am
by SoCal Surfer
I filled a 5 gallon water jug with reverse osmosis water and mixed some star san over a year ago. it is crystal clear still with a pH of close to 3. From what I understand, it is till kicking ass as a sanitizer but half of me just doesn't want to believe that it wouldn't degrade with time. Any input?

Re: star san age

Posted: Sat May 21, 2016 10:22 am
by BDawg
star san's effectiveness is due to pH. As long as the pH is still below 3, you are good to go.

Re: star san age

Posted: Sat May 21, 2016 12:23 pm
by brewinhard
BDawg wrote:star san's effectiveness is due to pH. As long as the pH is still below 3, you are good to go.


+1. And that is a good way to get the most out of your star san (distilled, or even RO water for mixing).

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