I need to keep at least 70%-90% humidity at all times in my 20 gallon long all glass cage with screen top. i have a 100 watt ceramit heat emitter on top of screen for the high heat that the tokays need, but its very quickly drying out all the bark that I mist vigorously. the humidity drops from 70 to almos 40 overnight.

i dont have much room for more stuff, unless I can mix the bark substrate I already have with moss or something, what am I going to do?

i have this humidity control device pump thingy as well, so I might think about using that, does anyone have any tricks to keeping humidity in cage?

i heard about the glass on half the cage screen to keep the humidity from escaping too, but I still think I need some inner humidity source...

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Alexa.

0.2 Tokays, names TBA
1.0 Ball Python, Draco
1.0 Bubblegum Snow Corn, Apollo
R.I.P Leopard Geckos, Archaia-khellendros-Amenophis

Herping 5 years exp.

Try getting the humidity in the room up to maybe 50% with a humidifier and you can also try putting aluminum foil on the screen top around the Ceramic Heat Emitter to trap humidity without starting a fire. I'd say your Ceramic Heat Emitter is a bit high on the wattage for the size of the tank. I use a 60 watt on a 40 breeder and I can keep the entire thing warm enough for BPs with that and a Under Tank Heater. Since you have such a high wattage Ceramic Heat Emitter and I doubt you want to go buy another one try making it so that it is a bit further away from the screen top while still maintaining the temps you want. Yeah I know it's annoying because it takes a long time to fiddle with it but you will get it right eventually. You can also add a rheostat to the Ceramic Heat Emitter to turn it down a bit if you can't get it away from the screen. The humidity in my apt is a HUGE problem at the moment so I can sympathsize even though none of my animals need excessive humidity.

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i got a tip for just this situation. Get a very thin piece of plexiglass and use it to cover part of the screen lid. and just periodically mist the tank. It works really well.

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1.1 Cats: Princess, Buddah "Boo"
0.2 Rats: Noah (hooded) & Winston (himalayan)

I have an innate love for all creatures big and small, no matter if they are furry, scaled, slimy, or feathered.

How are the temps in the tank. I think (like Heather) that a 100 watt Ceramic Heat Emitter might be a bit much for a 20 gallon tank. You might see if you can find a shallow pan or dish that willl sit in one end(about 1/3 of the floor space of the tank. Fill it with damp sphagnum moss and then cover it with bark. That will let you have a very damp area to raise the humidity without turning the entire bottom of the tank into a swamp.

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Merlin,
What's Life Without A Little Magic!