- How long does one fill last?
- About 4 hours on the short setting and up to about 8 hours on the long setting. The unit shuts off automatically when the water runs out.
- What room size does it cover?
- Vitruvi rates it for rooms up to roughly 500 square feet. In larger or open rooms the scent will be faint.
- Is the water tank ceramic?
- No. The outer cover is ceramic, but the reservoir that holds water and oil is plastic.
- Does it need special water or oil?
- Use plain tap or filtered water and pure essential oils. Avoid oil blends with heavy carriers, which can clog the ultrasonic plate.
- How often should I clean it?
- Clean the reservoir about once a week with water and a little white vinegar, and let it dry fully before the next fill.
- Does it have a timer or app control?
- No. It has two mist settings and auto shut-off, but no timer, scheduling or app control.
- Where is the vitruvi Stone cheapest?
- At eBay, for $41.47, as of our latest check.
- Where can I buy the vitruvi Stone?
- 10 stores we checked sell it, including eBay, Anthropologie, Revolve, The Container Store, Vitruvi.