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What are the effects of storing things IN Star San for extended periods? I'm thinking mostly for things like auto-siphons and tubing that never really dry out completely or could retain some moisture and encourage mold, etc...As much as I love Star San, I know it's an acid and worry about it eating away at things....Thoughts??
Time frame wouldn't be long...I would change the Star San between uses (1-2 weeks max) since I usually have to transfer something once a week (Pri, Sec, Keg)...I just wasn't sure if there were any ill effects from having prolonged exposure to plastic tubing, tap hoses, etc. I too use Star San for just about everything, love the stuff....I have a great recipe for a chicken marinade! Time to update my sig
i think the way you test star san to see if it's still good is to check the pH, although i forgot what the number is supposed to be.
Quote from: deepsouth on November 21, 2009, 10:55:31 ami think the way you test star san to see if it's still good is to check the pH, although i forgot what the number is supposed to be.pH should be 3 or less.
Quote from: denny on November 21, 2009, 11:10:34 amQuote from: deepsouth on November 21, 2009, 10:55:31 ami think the way you test star san to see if it's still good is to check the pH, although i forgot what the number is supposed to be.pH should be 3 or less.thanks. i knew it was 2 or 3, but couldn't rememeber which.cheers.
...Yeah 3 or less...here's the mfg's data sheet.
Quote from: bluesman on November 21, 2009, 02:54:14 pm...Yeah 3 or less...here's the mfg's data sheet.It used to be 2.4. Looks like they lowered the concentration.