Write the next sentence in the following story.

How to reduce ferret odor
Bathe your ferret once a month at most.
Fill the bottom of your tub up enough to cover your ferret's body while leaving its head above the water. The temperature should be just slightly warmer than lukewarm.

Select from: +Add soap in circular motions to help reduce odor. When you scrub off a ferret's gills, you should also wash their face and abdomen, as well as their anus and bladder.; +Use a diaper every hour to keep your ferret out of the water. Every day, you should take a diaper to the store and change it daily.; +The water must be very warm, not chilled. Ferrets are perfectly happy to bathe themselves.; +Scrub your ferret with a ferret-safe shampoo purchased from your local pet store or vet. Never use a human shampoo or conditioner on your ferret, as these can be toxic to them.;. The answer should be
Scrub your ferret with a ferret-safe shampoo purchased from your local pet store or vet. Never use a human shampoo or conditioner on your ferret, as these can be toxic to them.