Lots of that gunk going around. I don’t smoke but I’ve seen a few different people recently get mighty riled up when that brown shit fills their pipe. Also a very good sign that said shit should not be shot up until properly washed - but who’s got time for washing and drying meth!? A guy I used to source from bought an ounce intending to onsell and his taster went brown exactly like that. On a hunch I tried to dissolve 2 points worth inc water and it was at least 50 % undissolved cut. I expect MSM rather than ISO because it was not really psychoactive for the smokers. Needless to say, my money stayed in my wallet and my faith in my guy plummeted.