Only Propylene Glycol is considered food "safe" and should be used in those applications. Never the anti-freeze as used in your car.Ah, isn't glycol simply anti-freeze?
That ^Car antifreeze is fine until you suspect a bit leaked into a keg, or your cat or dog or kid licks some of it.
Propylene glycol is really not that expensive.
No, it's the same matter! That's why you don't use Ethylene Glycol in food applications. A (unintentional) leak or spill can happen so easily, and the worst is, you can't easily detect if it happened, it mixes in transparently. It doesn't have a foul taste or leave an oily film or anything else to warn you. Neither is innocuous and should be used with great care, but Propylene Glycol is much, much safer to use in food applications. Here are some CDC guidelines and toxicity reports:Leaks in the system is a different matter. This applies to just about anything (feron, etc).
If you have a farm supply store, check them out. Propylene glycol is used in cattle as an oral drench for the treatment of ketosis. Farm & Fleet in Wisconsin has 1 gallon USP for $20. Never use antifreeze which is ethylene glycol and causes irreversible kidney damage.Has anyone found a place to buy reasonably priced glycol. ? Is it necessary to be food grade?
Because we're a bunch of drunks who do dumb things and nobody wants a "How much antifreeze in my beer is acceptable?" thread.I think this is a fine line as in an enclosed system what does this matter?
So... How much antifreeze in my beer is acceptable?Because we're a bunch of drunks who do dumb things and nobody wants a "How much antifreeze in my beer is acceptable?" thread.
In your beer? 50%.So... How much antifreeze in my beer is acceptable?
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