A:AnswerTake off the tank by lifting straight up, turn over tank, you will see a large cap with lines on it ,unscrew cap and fill your tank, replace cap and lightly tighten.
A:AnswerDo not use chemicals to clean. It is easy to clean with water and a little dish soap use a small paint brush and once you take off the tank unplug the base dump out the water in the sink put a cup of hot water and some dish soap where the water sits in the base using the paint brush to get in all the corner,rinse out with fresh water be sure not to get water in the bottom where the electric cord area, you can short out the unit .
