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Chester B. Stone, Jr. · 11-06-2011, 02:25 PM

I am curious regarding the above recommendation to use ethylene glycol vs Aqua-Hot web page which specifies propylene glycol which is GRAS approved.

11-06-2011, 02:25 PM	#9
Chester B. Stone, Jr. Senior Member Join Date: Oct 2011 Location: Sam Carlos, Sonora, Mex. Posts: 407	I am curious regarding the above recommendation to use ethylene glycol vs Aqua-Hot web page which specifies propylene glycol which is GRAS approved.