Originally Posted by ph0bia
If you're worried about this being an issue, have a shallow water dish always on offer. My girlfriend keeps her H.mac in one of the larger of these ExoTerra's (more vertical space than the 'cube') and the spider will use the water dish very rarely between mistings.
H. mac's and Avic's are completely different.
An Avic needs high humidity so doesnt do well in dry conditions. Exo-terra's are not ideal for Avics unless you can partially cover the top ventilation to stop it drying out too much.