Great looking viv! That pastel looks sweet too.
What's the floor dimensions on that tank? You may not need to get a bigger one. My adult female pastel is in a 30 gallon long tank with floor dimensions of 38"x18". The height of the tank is not critical. I had her in a 55 gallon Exo-Terra display case and she was so stressed out even with all the vines and multiple hides. She never did settle well and it was so much trouble maintaining the temps and humidity so I moved her to the 30 and she settled down. I got her as an adult. I didn't try my other ones on the bigger tank, though, just because of my troubles with my first bp so I'm not sure if they would take to it better.
The only thing I'd like to suggest is a tank background. It makes everything look more "pulled together" like the paint and curtains in your room, know what I mean? Check out my avatar. That's Zoo-med naturalistic-looking cork tiles on the background. Besides aesthetics, it is also great at insulating the tank and providing added security.
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