Dampen a sponge with warm water. Sprinkle baking soda onto the sponge. Baking soda is an all-natural cleaner and deodorizer that will not harm plants, animals or children.
Begin scrubbing the stains with the sponge. Add more baking soda if needed. Continue scrubbing until the stains are no longer visible.
Rinse the outdoor vinyl furniture with a water hose, and wipe dry with a towel.
Fill a bucket with1 gallon of water. Mix 3 drops of liquid dish soap and 1/2 cup of household bleach into the water. Bleach is a harsh chemical that can cause skin irritation and kill plants.
Saturate a white cloth in the mixture, and wring out the excess liquid. Scrub the stains with the solution in a circular motion. When the cloth becomes dry or dingy, rinse it in the mixture.
Continue scrubbing the stains until they have been removed. Rinse the vinyl furniture with a water hose. Wipe the vinyl dry with a towel.
Fill a spray bottle with white vinegar. Vinegar is an all-natural cleaner and deodorizer that kills mold and mildew. Vinegar does not contain harsh chemicals, so it is safe to use around children, pets and plants.
Spray the stains liberally with the vinegar. Scrub the vinegar into the stains with a cloth. Apply more vinegar and continue scrubbing until you have removed the stains.
Rinse the outdoor furniture with a water hose. Use several towels to wipe the vinyl dry.