Tub ventilation help

Hi, all! Thanks to some great advice I got in my last post, I've decided to move my bp to a larger enclosure. This time it's a tub! I got my temps squared in and humidity isn't too much of a problem because of where I live. My only concern is if she has enough ventilation in there.

I soldered 9 holes on the two ends and 14 on the front. None in the back because it's pushed up against a wall anyway.

So in total, she's got 32 roughly pencil-sized airholes. Is this enough for her to breathe? 32 sounds like a lot, but looking at it, I'm starting to have doubts. How do I know if she has enough air flowing through? It's not something I could really test a few days prior. Now she's in, and I just worry about going to bed tonight with the possibility of her suffocating.

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She'll be fine tonight. Tubs are never built airtight to the shelf above them. If you can slide a piece of paper between the tub lip and the roof, that's also an air gap.

Check ventilation by looking at humidity. If you have the tub with heat empty of damp substrate except for a water bowl, close it up and see if the humidity spikes. If you get condensation or 90% just from a water bowl, not enough air flow.