I have two PVC cages from a local cage builder and I’m really starting to feel like there is not enough ventilation.

Basically, if I use any substrate that is meant to maintain humidity (such as reptichip or prococo), the humidity is at 85-90% and condensation forms on the glass. It only goes away and starts to lower when the substrate is bone dry, and then, of course, it gets dusty, which I don’t want. So essentially in order for the humidity to stay in a reasonable range I have to use a solid paper type substrate.

I am looking for suggestions as for how to add a little more airflow. Obviously, I could just add more slits under the ventilation that is already there, but I was wondering if adding a small plastic circular vent might be an easier, more effective solution? I don’t want to add so much airflow that it affects the heat and humidity retention in a negative way, but I just don’t want it to be SO stuffy.

Here is a picture of the current vent. There is one on the other side of the cage as well, and of course there’s a small maybe 1/4 inch gap between the sliding glass doors. The cage is 4’x2’x18”



Does that seem like not enough to you guys, or is it just me? I really have no clue how to tell other than I feel like the amount of condensation that builds up is telling.



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