200 proof or 190 proof?

For sure , I use Ne Butane. “Frank” is great to deal with

Maybe after I go through my etoh I’ll give the heptane stuff a shot and see how it runs. I guess if you are fully purging then it shouldn’t really matter much… Now that I have a chemical duty pump to work with I think using a less expensive solvent and drying it a little harder might be working smart.

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It looks like ne butane is dropping their local prices on cda 12 and etoh 200. Looks like I’ll be getting my etoh from them.

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