I'm actually using a Fogger V4. The build is a little different, but I'm curious why you say 20W is a bit much for a kayfun? Wouldn't the coild/build dictate what it can and can't handle along with a person's preference?
Well sub ohming doesn't work so well on a kayfun so I assume you're build is a bit higher. It's a small chamber and that's got to be a hot @$$ vape. I suppose If that's your thing you'd be alright