A:AnswerIt is so difficult ot clean the tube. I had a skinny bursh form aonther projecudt and used that. I gave up after a while and trhew the thing away. TOO HARD TO CLEAN
A:AnswerI just bought this last month and mine has a little pull out drawer like on the side and came with a oil pad that you can add a few drops of essential oil to it. My instruction booklet that came with it explains about it.
