You can wash it with a mild soap or dish detergent and warm water and rinse it off. You should leave it out to dry for a while, so I would recommend unfolding it if it is a foldable umbrella.
Caring and cleaning your patio umbrellas are just so easy. There are two portions to clean on your umbrella, the frame and the cover or sometimes called the canopy. each part should be wash down with a clean damp cloth. A protective cover for your umbrellas will prolong the life of your umbrella and keep it clean a longer period of time.
You can keep a white kitchen clean by wiping it everyday with a soft sponge, nothing too abrasive. Using bleach is a good option if you want to keep it stain free and shiny white.
You help your cat keep her fur clean, brushing and occasionally giving it baths.
White umbrellas complement virtually all patio furniture, and they don't retain the heat that darker colored versions do. The downside is that white umbrellas show every speck of dirt, mold, fungus and pollen. To keep your umbrella looking new, wipe it periodically with a damp cloth and let it air dry. You may also consider purchasing a furniture protecting spray from the hardware store to ward off mold and mildew. Never submerge a leather umbrella in water.
In the story "The White Umbrella," the rising action includes the protagonist's reluctance to go out in public with her aunt and the white umbrella she dislikes. As the protagonist learns more about her aunt's past and the significance of the umbrella, she starts to see it in a new light. This curiosity and understanding lead to a change in her perception and acceptance of the umbrella.
Pressure washer :)
Bleach
Everybody thinks that black in sun is a bad thing, but they are wrong, so having a black patio umbrella would not be too hot because the patio umbrella is thick and would definitely keep the heat out, and keep the sun from hitting your skin.
cover the umbrella with plastic
you need an umbrella to keep dry
To keep dry.
It isn't too hard to keep white outdoor furniture clean. one of the best ways of keeping it clean would be to clean it with a mild soap and water but be careful because it can scratch so only wash it gently.