Woolmer
Esteemed member
Evaporating nearly a liter of acetone per 50 g of bark is wasteful. Perhaps you could rather add FASA or benzoic acid to the acetone, which could then be reused for future extractions.
As for goo/wax, see here: "Enough GOO questions! read this"
As for goo/wax, see here: "Enough GOO questions! read this"