Imagine there's a bar of hash that is obviously laced with nasty things because it causes a headache to users

Is there anyway to clean the nasty elements out of hash so that just the valuable THC is left?
TheSpearMan Reviewed by TheSpearMan on . How to clean out dirty hash Imagine there's a bar of hash that is obviously laced with nasty things because it causes a headache to users Is there anyway to clean the nasty elements out of hash so that just the valuable THC is left? Rating: 5