So im working on a plan for a nice display terrarium for my ball python i got the exo terra 36x18x18 and i was wondering if a waterfall would work. ive been looking at a lot of picture of other tanks and none of them have had anything i want to add the water fall to help with humidity and the overall look of the tank. is it a bad idea to have a small little pond that would act like a water dish, but have a waterfall coming into it?