Depending on what coils you are using will determine what temperature and wattage as I have found there is no one answer fit all. I run an SS316L coil in my Melo RT22 at 100 Watts and 360°F and on the Grffin 25 Plus 65 watts and maybe 420°F where with the Pangu tank SS316L coils at 75W and 360 to 460°F.