Oxygen bleach may remove both oil and water based stain.
How to remove stubborn stains from vinyl siding.
For tough spots like paint drips tar and pencil and pen marks use a nonabrasive bathtub cleaner or nylon scrub pad.
If the area still appears stained spray it again and wait a few minutes before scrubbing.
Try several different cleaners to find which one works best on the particular stain for your siding.
Spray with clean water.
Dip the scrub brush into the bucket of bleach solution and scrub the stained areas gently.
Fill a bucket with hot water and either add the cleaner to it or have it ready to go.
Pour whatever solution remains in the sprayer back in the bucket.
Rinse the solution off of the vinyl starting from the top so the water will run downward.
70 water 30 white vinegar makes a great all purpose vinyl siding cleaner that removes light mold and mildew stains.
For a stronger solution mix together one third cup powdered laundry.
Start at the bottom of the stain and work your way to the top.
Mouthwash mouthwash is something many swear by for cleaning artillery fungus off of vinyl siding especially mint laced varieties.
Moisten the area with water and then scrub it using the cleaning solution.
Remove tough stains clean tough stains off with a nonabrasive cleaner or a homemade vinyl siding cleaner of soap and water that won t damage the surface of the vinyl.
Peroxide hydrogen peroxide has also been said to work especially at higher strengths.