Hi There im having the same problems 12 days old and just realized im using soda water that i use for my mother AND even worse left my top vent open too much and the rock wool has dryed out now im using rain water and bought a heated dome 20 quid and its not high enough in my opinion think i will go back to my tent which is bout 12 inchs high , miy dome is bout 8 incs high hate being a beginer but will see it through