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Sounds like you had a lot of impurities in your pull. If the MEK turned brown its cleaning it. My friend cleaned his 3 times with the MEK. I would recommend a few more washes. Put the beaker in freezer with the MEK and alks before siphoning off dirty MEK.On the thread I made with the pics; in the cleaning stage there are a few pics of the alkaloid mix in the clean MEK then the next pick is brown MEK with a tan powder at the bottom, That is the 1st cleaning after mixing with a knife and breaking up the resiny alkaloid mix.After cleaning a few more times put it on a plate in front of a fan over night. It'll all evap out.After sufficient cleaning it will not be resiny any more. It'll be a semi waxy powder with no smell of MEK. At least it should be
Sounds like you had a lot of impurities in your pull. If the MEK turned brown its cleaning it. My friend cleaned his 3 times with the MEK. I would recommend a few more washes. Put the beaker in freezer with the MEK and alks before siphoning off dirty MEK.
On the thread I made with the pics; in the cleaning stage there are a few pics of the alkaloid mix in the clean MEK then the next pick is brown MEK with a tan powder at the bottom, That is the 1st cleaning after mixing with a knife and breaking up the resiny alkaloid mix.
After cleaning a few more times put it on a plate in front of a fan over night. It'll all evap out.
After sufficient cleaning it will not be resiny any more. It'll be a semi waxy powder with no smell of MEK. At least it should be