To be honest, you are the first person I've seen give flavor to the Atlantis over the sub tank. Usually it's the Atlantis has a bit more airflow & vapor (if run higher wattage, which it can handle a bit more then the sub tank), and more flavor and more efficient (puts out better at 20 watts) for the sub tank. These reviews make sense from my experience as higher airflow can give you more vape, but can also mute flavor, in which you have to build lower to compensate for.