Originally Posted by Johanovich
First: there is sphagnum mixed into the substrate layer. This has a tendency to become very wet and soggy and could rot quickly. Having your substrate too wet can and will cause problems in the long term for most dart frogs.
Second: there is no ventilation at the front and the access is only though the top. While this is not necessarily a problem, (my auratus vivarium for example also doesn't have front ventilation, but it does have front access which makes life much easier) it warrants extra caution regarding humidity. If this is too high your frogs will have problems thermoregulating because they can't evaporate moisture from their skin anymore. Together with my first point I see this tank potentially becoming too wet relatively quickly the way it is currently set up.
Thanks for catching my mistake, if you have ideas on how to fix this I would really appreciate it. Would adding a layer of leaf litter potentially help so much water from soaking the substrate