Ferrets needs a constant supply of food and water to live a happy and healthy life. You cannot ever forget to feed them or leave them without food or fresh water for extended periods of time. The dishes for the food and water need to be cleaned daily as well. Fresh water should be supplied at least twice daily. Any foreign artifacts floating in the water dish should be disposed of and the dish should be cleaned as well. You want your ferret eating nothing but healthy ferret food!
When looking for a food dish, you should look for a fairly heave and sturdy dish. Ferrets love to turn anything into a toy, flinging it around if possible. If you do have lightweight food dish, you should secure it or anchor it in some manner. The food dish should also not be placed near the potty or sleeping area, to avoid any contamination.
As for water, it should idealy be located near the sleeping area. It is advisable to get a water bottle that secures to the side of the cage. There are also solutions that you can mix with the water to deodorize the pungent ferret odor. These are harmless and mix easily in a water bottle.