this is how i make ear wax thc concentrate. i used skywalker og trim. 4 cans butane. 8″ x 3/4″ pipe with pvc cap. drill hole through cap. coffeefilter on other end of pipe. pack pipe with trim. run butane through pipe into warm pyrex dish. whip all the butane out of oil. whip it till it turns from oil to paste to wax. 30 min. scrape togeather and form into a big ball or brick. take dabs all week long………..peace.