holy smokes i did say butane oops lol I was thinkn of what you said, my bad, but ya 27% is nice Im high for a long time aswell, but ya I always let it evaporate off for days before I smoke it, Im sure if I didnt I would probly get sick or something but it tastes nice too dont taste any chemicals and what not ,all I was doing by posting this is given a way I do it with cheap gas and good quality stuff, Ill admit it would never be dispensory worthy buy hey it works and I get lifted man lol and like i said no pun intended just offering my easy way of doing it maybe this time ill give your way a shot and see how it works out lol