Wool rugs are best cleaned professionally but you can wash them at home if you want to save money and if you take the appropriate steps to clean them. The most important thing to remember when washing a fine rug is that it isn’t the same as a carpet. You don’t generally think of your carpet as a member of the family and it definitely isn’t some kind of family heirloom, but finely crafted rugs are a member of the family and can be passed down to the next generation and therefore should be treated as such.
Wool is a natural fiber which is filled with lanolin, an oil that acts as a built-in repellant to dirt and debris. When you use a strong cleaner, it strips the natural lanolin out of the fibers. Using the strong cleaner may give the impression of having cleaned your rug well right after you’re done, because it will look clean, but the rug will actually get dirtier much faster afterward because of the lanolin being stripped out of it.
If you have a substance that has spilled on your carpet such as coffee, chocolate or anything else, you can either use a commercial stain remover for wool or use a more traditional approach. It consists in wiping up what you can of whatever the substance is spilled and then use tape water to dilute the remains of the substance and blot it up wih paper towel/ For stubborn substance a gentle detergent (opt for a mild soap or dish detergent) or soap to a cup of plain water, wipe the stain with this solution and then blot it up with clean, white towels.
To clean a whole rug, first of all ensure take it outdoors, shake or beat out any loose dirt .Then you can proceed with a general cleaning with cold water with for example just a soft jet of water so that it purify the wool from any dirts, there is no need to wipe the wool only if there were a spill .
To clean the whole rug, you’ll need a pile of white towels; a bucket full of plain, cold water; and a bucket half-full of warm water with some mild liquid soap added to it. Going with the nap of the rug (the direction in which the rug feels smooth when you run your hand over it), divide the rug into two-foot by two-foot blocks. For each of these blocks, dampen the rug lightly with the plain water, then lightly use the soapy water on it and dampen it again lightly with the plain water. Then, let it dry outside in the sun. The exposure to sunshine helps rejuvenate the oils in the fibers.