You need a special tank with a nail there's some halo tanks that you can smoke bho off of and works pretty goodSent from my SAMSUNG-SGH-I777 using Grasscity Forum mobile app
You're going to mess up the tank if you put any concentrates in there. Just go buy a g-pen or something.Sent from my iPhone using Grasscity Forum
As others have pointed out, you're going to need a specialized cartridge to vape concentrates out of an e-cigarette. There's a really thorough guide on how to build a concentrate pen using e-cig components here: http://forum.grasscity.com/vaporizers/1205179-making-better-oil-pen-pics-included.html