I use the 30-40 gallon UTH on my 20 gallon long aquarium and a 10-20 gallon UTH on my 34 quart tub and both are perfect sizes for each.
34 quarts is a bit big for a hatchling but for that size UTH it would be better to go that way. Make sure there's 2 tight dark hides and put a LOT of clutter in the middle for your spider... He should be fine.
Yeah, I was a bit late with the reply- you will want lots of cover using a bigger tub on a baby- at least two hides & a substrate the snake can burrow in. The crumpled paper is a good idea too.
i had newspaper already on it ....is that not sufficient?
Any one? Can i se just newspaper as substrate... And also were ahould i put the Thermostat probe? I dont wnna put it under the UTH because its too big and it bends it