I haven't tried the aquarium stuff for my carts yet but I was wondering if I couldn't just put them in some kind of holder and wash them in sudsy water, rinse ad dry. Hmmmmm. have to try it I guess Anyway, it's for sure that carts aren't worth a pack or even a half pack of cigs in my experience. Even the larger carts are only about 6 cigs I would say. My best ecig is my old NJOY and the first one I bought. I'm now buying replacement parts for it at puresmoker since I seem to burn out the atomizers really quickly. I drip my carts as I can't afford to use 5 carts a day. 2-4 drops and I'm good for a cig It really doesn't matter for me to do this several times a day since it only takes a few seconds (or about as long as it used to take to pull an analog out of the pack )