I've been using a nautilus and Hanna clone for two months on 12mg nic and usually run at around 8 watts. I just bought an Atlantis and love it but I keep getting headaches and nausea. The guy at the store said he runs his at 30. I'm running mine at 10.5 and I can't imagine vaping it higher. Does it take a while to get used to such a larger and stronger amount of vapor? Do you have to drop your nic levels? I'm still a little confused about volts and wattage. Why would someone want to run wattage up in the high numbers? what is the Atlantis made to run on wattage wise? Sorry for the bombardment of questions. I feel like I'm starting all over again I'm regards to vaping and information. 