Impure bubble hash

I made some bubble hash but the smoke coming from is thick and black. So, apparently there have gotten some fats from the plant material into the final product, caused by agitating the ice/weed mixture too much. i can't remember overdoing it but that's what the internet says the cause is.... I dried it until it's bone-dry so it's not moisture content.

Is there a way to purify it? Run it in ISO or something? It would be a shame to throw away 20 grams of bubble hash but I'm definitely not going to smoke it in this state.

i smoked leafs but never got black smoke ....
well you could press it get resin.
you could use over 70% alcohol and extract the THC but unless you have a vacuum you will get black tar that will always taste like alcohol and i consider it like prison wine type of hash...

after you dried it did you use a bottle of boiling water and rolled it until it changed?

First time I experience this too. The stuff looks and smells great as usual, but now there's this heavy black soot smoke coming from it.
Roll it with a bottle of boiling water until it changed?? Never heard of that tbh but don't think that would make any difference.