Quite amazed at how many eye issues are due to supplements, gut loading etc. If this is the case then surely it is having an effect on parts of the anatomy we cannot see? Just a general comment here but once again shows the importance of husbandry and feeders.
Good advice from kp, if their is enough food around your cham will hunt. Keeping them confined to an area as kp said makes it easier for them and gives you peace of mind.
If you have no drainage and just bio active you may be taking a chance of having too much water accumulating. Mold will then be an issue. Just be careful and keep a close eye on amount of water in the system.
Being a fish tank owner etc I doubt you will have any issues with misting, drip loops and no direct spraying is always a good idea. Would definitely make sure you block the plug points off from any possible water as corrosion etc will set in as you know.
Lol, I have constructed something similar too except used two smaller bins turned 90 degrees in the larger outer. I am building a 'jungle gym' which can be lifted out with some fake plants attached. That way the pinheads can't crawl right to the edges. I have also used screen on the sides only...
I saw a post a while ago where I saw a shallow dish on the plants. If you put some silkworms in a dish on the plants and they crawl out they will be hunted. So would be fine as they can eat from the dish and hunt them down. May be an issue if you put too many in at once though.
Pretty controversial topic, I would say it depends on experience and knowledge. A vet may not know reptiles too well but has the medical know how. An experienced keeper may have more experience with certain diseases etc. I would not dismiss a vet's diagnosis fully but would also listen to the...