I am planning on making my 75 gallon tank into an Ultrahighland terrarium in a matter of days and was wandering in the wild when do Ultrahighland Nepenthes recieve the most humidity so I can set my ultrasonic humidifier on a timer. I know they need high humidity all the time, but I read some where that in a particular part of the day or night they experience a jump in humidity. Also is a fan's only purpose to provide air circulation so fungus doesn't grow? Any other tips from experience would be most helpful. Thnx.