burn through oils like crazy [SEP] this was bought as a replacement to a diffuser also by innogearon the first use it was great but upon the subsequent use it got worst as in the amount of steam decreases and yes it was properly cleaned between usagethe automatic cutoff does work but it got worst on more usage on the first use almost all the water was gone before it shut down afterward the amount of water that remains is a whole lot more about of the water tankpreviously with the the whole tank could last for up to hrs with this it last for about hrs the burn rate is way too high