i was about to make some hash oil using isopropal for extraction. if i give it PLENTY of time to evaporate, will it completely or does it inevitably leave a residue that would cause negative health effects?
hazetwostep Reviewed by hazetwostep on . is hash oil made w/isopropal unhealthy? i was about to make some hash oil using isopropal for extraction. if i give it PLENTY of time to evaporate, will it completely or does it inevitably leave a residue that would cause negative health effects? Rating: 5