Size tank

Hey All! So I just got a new ball python, 3 months old, pastel yellowbelly (so. beautiful.) my question is this: at the moment, the snake is in a see through plastic container, approximately 25x15x12 cm (for the inchy people, that's: 10"x 6"x5"). This little enclosure is inside a larger tank that I ultimately want to move him into which is 30"x 15"x 15". When can I move him into the larger tank? I'm struggling to get a proper temperature gradient inside the smaller one, and can only fit one hide (temperature gradient is now 31-29), and I can't fit a hide into the smaller side. The snake is now maybe 20% longer than the small tank. Anyway would really like to see it in the bigger tank, so please any advice on when to move is appreciated.

The "when to increase enclosure size" is always personal opinion/kind of subjective, so it's your choice. If you want to move him into the larger tank already, you can. You'd just need to clutter up the larger tank with branches and fake leaves for extra cover and security, maybe cover up three sides with black paper, put 2 or 3 hides in it, and call it done.

If it were me, I'd move him out from the 10x6x5 when he's ~200g.

alright I think I'll do that, it's a proper vivarium so no worries about covering the sides up. I'm just a bit worried because I only got him a couple days ago, so still haven't fed him.

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Originally Posted by Dumdum333

alright I think I'll do that, it's a proper vivarium so no worries about covering the sides up. I'm just a bit worried because I only got him a couple days ago, so still haven't fed him.

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I didn't know he didn't have a meal yet. In that case, I'd keep him in the small tub until he takes a meal or two for you, before moving him, just to play it safe.