Review (4/5): Temperamental about the water level but seems to work on regular setting
I found quickly that it doesn't seem to like any water level. If you hit the main button for the initial boost (blue light), it will run for a minute and then stop and flash red telling you the water levels are off. But no matter what level you put it, it won't stay in boost mode at all. I found it easier to just set it to the regular (green light) standard mode and that won't happen. I was surprised that this doesn't do any kind of auto-shutoff. I left it on one evening and forgot to turn it off. It was still running the next morning. It does what it should for the price. I have only had it dispense "smoke" steam one time. It has never done it again since. But the smell is still potent even if not steaming.