I started out with 24mg cartos a couple months back, and have been dialing back to mostly 11's, and using juices in the 12-14mg range. I still have a pretty good stash of 24 and 18mg cartos, so I screwed on a 24mg Cherry I'd been carrying around for a while. After a few puffs it nearly knocked me on my ....!! I'll be vaping those sloooooooooooooooowly 