The practical way, really, is to lower the temp of the room. Some folks keep temperate amphibians in the basement, where it is cooler. Temperature control can be the limiting factor for keeping temperate amphibians in captivity.
There are various chillers available, but they are expensive and can't really be plumbed simply into a small tank. Certainly a comprehensive search could offer options for serious DIYers or those with deep pockets.
|