I recently moved from Washington to Southern CA. The meth I’ve been getting here seems to vary widely in potency, effects(negative and positive), and duration. From what info I have gathered it’s likely heavily cut MSM or N-ISO. So basically for the sake of harm reduction I would like to purify my product as much as possible. Seemingly the best method I’ve found for removing MSM is via boiling dry acetone and 99% IPA. The method consists of boiling your product in dry acetone for a minute or so then slowly adding by the drop 99% IPA while maintaining heat. After the last of the product has dissolved into the IPA, let boil another 2 minutes, then add a small amount more of dry acetone and remove from heat. Let cool slowly until crystals have fully formed. I’m a little shaky on the finer details. About how much dry acetone should I be using per G to start? Could I use dry methanol in place of 99% isp? After the 2 minute boil, when you add the final acetone, how do I know how much to add, and do I continue boiling at all or remove from heat immediately? Should I seal the container while letting it cool? Will it need a final acetone wash when it’s done? I am open to suggestions if anyone knows a better method. Any information or advice would be greatly appreciate.