It really depends.. if you have it on often water accumilates on the screen and becomes just like a dripper. Thats how I do it but I also mist a few times a day. My fogger runs every 2 hours for an hour from 6am till 6pm.
i made a hole in a small plastic bowl big enough for the tube,
kinda makes a dome,
then i set the bowl on the screen.
some fog goes through,
some collects on the screen and drips thru.
minion loves it
b4 the dome he ran to the other side of the cage
at the first sight of fog...
A friendly tip. You will need to clean the hose that connects to your humidifier often. I would personally recommend twice a week to stay on top of things.