Can you clean a cartomizer at all? I know that you can clean a regular cart, but not sure about a cartomizer. Here's my issue. When I ordered my KR808, I selected menthol cartridges. After being told that my shipment was delayed because they were on backorder, I selected another flavor - cherry. It is the worst. The taste is okay, but it burns the back of my throat and makes me feel like someone is setting on my chest. (I have alot of allergies and think I may be slightly allergic.) Anyway, I've ordered eliquid and would like to clean all of the cherry out of the 6 cherry cartos I have and use another flavor. Is this possible and if so, what is the process? Thanks!