I used a similar tote, but a 55 gallon one.
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By the time they were a couple weeks old, I started worrying about a chick getting stuck wedged between the brooder plate and the wall of the tote.
What started as cute little fluff nuggets...
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Started turning into feathered escape artists. I switched to a pop up dog pen. They were much happier with more room. I was less worried about one of them doing themselves harm. They are....cunningly smart in some regards (how to escape their captivity) and really really dumb and accident prone in others (diving head first off of the lip of the tote to the concrete floor).
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Then they were evicted to the outside grow up coop as soon as feathered. We were alllll happier.