shrooms (1/ and 2 mdma pills was the best freaking night of my life. and sex was like taking 2 Viagra. I felt like ron geremy.....but not as fat and better looking, less rich, smaller..... lol
Some of us will happily take the small loss from a recrystallization to get a purer product.
Dry the acetone with a drying agent (baked epsom salts work well), the dissolve the MDMA in it by boiling then slowly cool it before putting it in the freezer or an ice bath. Filter and dry and you have much cleaner MDMA.
Generally anything I'll buy at this point doesn't need it but you can almost always improve it. Unless you're getting t from someone who bothered to clean it up in the first place but that's rare as hen's teeth these days...