How often should i clean my dwarf hamsters cage? Dwarf hamsters are adorable, low-maintenance pets, but their cages still require regular cleaning to ensure a healthy and happy environment. A clean cage reduces the risk of illness, keeps bad odors at bay, and provides a more enjoyable habitat for your furry friend. Knowing how often to clean a dwarf hamster’s cage, as well as the best way to go about it, is key to effective pet care.