The back of the unit would need to be replaced, it's a flexible sheet rather than an actual board, so I was thinking I could use something sturdier and secure the entire top piece to it, and that should provide enough structural integrity to it. I could also put in a 1x2" brace if I see it starting to bow.
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You're probably right about the "more trouble than it's worth".... I know people like the tubs, or the PVC cages, and while in the end I'm absolutely not going to sacrifice optimal conditions for Shen in the place of aesthetics, I'm willing to put in a little more effort if I can achieve both.
Hmm......would the fumes be a problem from something like that? Especially when heated?