So ive had my ego one clearomizer for just under a week now and ive noticeded its starting to give lumpy hits. been running it between 9 and 12 watts and its the one ohm coils its the 1.8ml tank. i go through 2 to 3 tanks a day and im vaping electostix e-liquid. do i need to change the coil? i dont really have a problem with air flow.