I need to transport my betta 3 hours to my parents' house, since I'm going to be staying there for the next 3 or 4 weeks (and can't get a fishsitter). I need to find something to put him in for the car ride, but I'm not sure what would be good. Unfortunately, the pet store bowl he came in fell and cracked a month or two ago, so I can't use that.
I'm guessing I need something with a lid. Would a mason jar work okay for a temporary thing, assuming that I keep enough air in there to breathe? Do I need something bigger?