Quote Originally Posted by lemonboy
Not exactly. PVC is fine until you start running questionable materials through it. They leech off bad stuff in the plastic. I was reading about PVC Butane tubes a couple weeks ago and this particular article said that there were no known interactions between PVC and butane though.
Could you post the article is if you can cos if its true im gonna build a huge one for like 10 ounce of shake/ shade leaves