we use 100% VG (made the switch back yesterday, had to go 50/50 with the flu the 100% was too heavy with the chest congestion) but have absolutely no wicking issues with the Kanger aerotank V2s and Megas
I have had Nautilus and Mini's and passed 'em to my daughter, same deal sometimes there's that gap and ack!! an "almost" dry hit..yuck!