I have always kept my snakes (from baby to adult) in enclosures that may be deemed too big by some people. I've never had a problem. Some people say they must be cluttered up if it is a large enclosure and that may be true for some snakes. I have never witnessed that. It may be also that my snakes are out of their cage everyday for up to an hour or better at a time so wide open to them is comfortable. Feedings go off like clock work except for two of the three while in shed. In my opinion, especially for an adult ball python there is no such thing as too big. Something that size you could always section off if you felt it made your ball python more comfortable.
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