Was in my local vape shop today picking up some juice, have not gotten a chance to order all my DIY stuff yet. So I mentioned that I was planning on making my own juice soon and was rather surprised when the girl that I have hung out and gotten a lot of tips on building coils and what not kind of went off the handle. She started lecturing me on how she has an associates degree in chemistry and if you make your juice in anything other than a clean room all of the particles in the air will get into your juice and inhaling it could be extremely dangerous, and a host of other issues. Now I can understand a customer making their own juice loses income for them but I was rather amused by her reasoning. The particles in the air (that you are breathing while making your liquid) are going to get in the juice and destroy your lungs. So question would be, do any of the however many DIY juice people on here actually make their juice in a clean room, or ever worry about this? Or am I about on track with the, they don't want to lose juice sales thoughts?