Other Helpful Hints a. Don't do this too often, as it could affect absorbability. It will condition the fibers of the cotton. Covers will last longer if you rotate with changes allowing to dry in between. I wash mine every 2 weeks or when soiled.
Hand washing is ok too.
Gently shake water off and run HOT water in sink. Soak for 15 minutes in very warm water and treat with Eucolan wool wash or with USP modified lanolin. If you use Eucolan, simply pour it into a spray bottle and spray each cover thoroughly. Heat spray bottle in the microwave to thin the lanolin so that you can spray it on the diapers. Shake well using oven mitts.