I've recently started using propylene-glycol H2O mix to keep coffee around
I haven't had any luck finding the H2O to PG ratios that define upper-lower
operating limits for the solution.
Most of what I see appear to be cut-n-paste recommendations for 50-50 mix.
Some cigar store solution is 98+% H2O & cost $9.00 for 16 oz.
Any recommendations for reliable data sources?
On Wed, Feb 11, 2009 at 11:30 AM, Warren and Carolyn wrote:
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