lots of people say not to mix species, especially with chams because they stress so easily. the sides should be made of screen also because chams need alot of ventilation and glass can make it too hot. what kind of cham is he? you might not want to keep substrate in the bottom because it is easier to clean. i haven't heard about many people keeping their chams in vivs so i don't know how successful it has been. to seal the wood, use a water based polyurathane for outdoors. make sure you put like four coats and that it cures properly before Sid goes in. if you haven't joined this site yet you should

it's awesome and everyone is very helpful!
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