It sounds to me that you have a separation of compounds in your vessel. When you take your collections during different times in your run, you are collecting the first fraction, second fraction, and tails, essentially. Each compound becomes solubl…
I came across this same kind of question with some other peers while in Vegas. One option is to use a lower proof of ethanol in order to avoid absorbing non cannabinoid compounds that may give you the darker colors. i.e. Chlorophyll and other wate…