Thanks Prog. I have the 901 2.0 ohm attie from IkenVape, and they are great...just not great when using bottom feeders because the adapter gets in the way....that's why i wanted to try a 510 or 306 to decide if i wanted to keep this bottom feeder because I can't get liquid through the adapter...I'm getting a custom adapter that might do the trick as well.
Also, with 901 and 801 atties, they only have 1 airflow hole, when that's clogged with juice (which it always is when using a bottom feeder), you get no airflow.