I have a pretty large portable humidifier. I believe it holds 9+ gallons of water. The problem with the humidifier is that it doesn’t automatically turn off when the water runs out. I’d like to come up with a solution that monitors the water level and turns off a smart outlet when it senses the humidifier running dry. My first thought would be to get a water sensor and monitor for when it stops sensing water but I don’t think those things are meant to be submerged. Are there any sensors with extended probes out there that can be put in by themselves so I don’t have to submerge the whole device?