I have recently been messing around with sub ohm tanks such as the subtank and atlantis. I am loving these big clouds I can blow, but I know that if I built my own coils I could make them huge. So I have been wanting to take the dive into doing that, but the only reason I never did was because I like the convenience of tanks. So what would be the best devices to make the biggest clouds possible. Also how hard would it be to make these coils that create these massive clouds. This is something I would only do for my own leisure and around friends anyways not in public. lol.