I didn't have a wicking problem with my tanks.  I just feel the cartomizer affords so much better flavor, and gives me a much better TH.  The tanks seem to make more of a mild vape, not as strong on the flavor.  I really like having a choice as to flavor, and TH desired!  I'll just be taking my tanks and cartomizers with me where ever I go!  Gee, what a tough life.... lmao