another thing to add about the cave...if you do use a pot turned over try and cover the hole with some mesh (if there is a hole) sometimes they try to go through the hole and get caught...
another thing to add about the cave...if you do use a pot turned over try and cover the hole with some mesh (if there is a hole) sometimes they try to go through the hole and get caught...
if you're going to get a heater for a 2 gallon, i would go with a 25w or small heater. if your house/room stays pretty warm during the day AND night (very important since my bf's betta died from an unplugged heater ) then you can go without.