I mist my tank about twice a day to keep the humidity around 80%, and the way i look at it if the frog is used to a tropical forest style enviroment i dont see any harm in misting the frog as well(im no expert though lol) but dont like douse him in water but if your misting the tank and you get a little on him im sure he'll be fine and hats off to the great preperation, im thinking about getting some coco fiber myself because someone told me the frog moss i have for mine can cause impaction or something like that if the frog eats it