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"Hello, I am about as green as one can get. Haven't even got my still yet, but I am pounding the books getting ready.
I am wanting to make mostly Vodka and I have ended up with a 120L plate still, obviously I cant drink that much in a week. What is the best material to store either high percentage ethanol or dilluted vodka in. And along those lines is it better to store it pure or cut it down and store it. Thanks in advance!!"
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"Glass or stainless steel. I would store it at drinking strength ... whatever that is for you.
You might want to keep some at 55% or so ... in case you get an itch to experiment with some oak."
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" Originally Posted by: John Barleycorn  Glass or stainless steel. I would store it at drinking strength ... whatever that is for you.
You might want to keep some at 55% or so ... in case you get an itch to experiment with some oak. Thanks. I was a little afraid that the stainless might corrode some. If I use glass carboys do you think there will be an issue with the rubber stoppers getting eaten up or imparting flavors?"
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If I'm not mistaken, the pH of an alcohol is 7, so I doubt you'll have to worry about corrosion with SS. I believe some vodka/gin mfrs store in SS. If you were storing a fluid with a high pH (like bleach) then you would likely run into issues.
If you're going to store at high concentrations I'd be cautious about rubber. If you just store at drinking strength (40% or so) you'll be a lot safer ... for a variety of reasons.
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Originally Posted by: DaysiPhillips72 Thanks. I was a little afraid that the stainless might corrode some. If I use glass carboys do you think there will be an issue with the rubber stoppers getting eaten up or imparting flavors? Use the gum rubber stoppers like the ones that come with the PS2s, for the thermometer. BH, wine & beer stores have them.
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 Rank: Junior Member Groups: Registered
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vodka has a pH of between 6.0 and 7.0 which means it's not to acidic It isn't alkaline. The acidic is what eats rubber.
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