Has anyone found a place to buy reasonably priced glycol?

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Maineiac

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Has anyone found a place to buy reasonably priced glycol. ? Is it necessary to be food grade?
 

Gruel

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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.
 

dtashmore547

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I purchase my glycol from a vape outlet, it is used as a base in the fluid, it worked out the cheapest source here in South Africa.
 

IslandLizard

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Leaks in the system is a different matter. This applies to just about anything (feron, etc).
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:
CDC - Ethylene Glycol
CDC - Propylene Glycol
 

1979doc

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Has anyone found a place to buy reasonably priced glycol. ? Is it necessary to be food grade?
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.
 

LTBrewer

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Is that what they put into motorhomes to winterize the system?
 
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