So i have ran out of blank cartridges and I haven't had time to run to the store to pick up any filler. I tried to do the coffee filter idea that others have suggested but it seemed that for 10 drops that I put into the cartridge it emptied quick. So I was wondering if it was bad to take an empty cartridge (no filler in it) and just drip one or two drops directly on the wire mesh of the atomizer and hit it that way?