did you get a drip tip? yes, you can use the cartos. just wash them out with hot water and let them dry. if you received a drip tip, just blow out the atomizers. if they smell like any primer after that, then i'd rinse them under hot water and let them dry. too drip, you just drop 2-3 drops of liquid directly into the bridge you see in the atty. let it soak for a minute or two. after about 5 puffs, you might need to drop another two drops. repeat each time the flavor changes. just put the drip tip on and go. if you don't have a drip tip, you can put on an empty cartridge without the filler inside