I finally resorted to this:
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I can provide myself with 375ml of 80% per 2 gallon batch, plus a bunch of 50% that I can add to the next run and increase its yield or find other suitable purposes for. I only want personal amounts of tincture so that works fine for me.
I could get more yield from stronger brew but the smell and taste really take a dive and I don't need more.
If you are using sugar, there's no methanol but throw the first 50ml out as good practice.
For our purposes it doesn't matter if it is not double-distilled but I usualy do anyways, mostly so that I can keep squeezing more out of it.
Depending on your state, when you buy one it is for water purification or essential oil extraction, which in a way is what we're doing...Check your local laws before you proceed.
If you are in a legal (in this context) place, you can get equipment that will pull 2l of 95% from the same batch, but I can't advise anyone on running that kind of gear...lots of hazzards involved.