what proof ethanol are you using?
how are you reproofing?
do you have a proofing gauge?
water in your ethanol will change your extraction profile. 190proof appears ideal. folks who have been doing this a while report problems with even 5% more water (180 proof).
I suggest starting here: Ethanol Azeotropes - Attn: EtOH cannabis extractors!
Reflux Still For Small-Scale ETOH Reproofing may also be informative.
not grumpy sunshine…
the rains are here, so hunting gills/ridges/teeth are in order: Wild Forage Booty