Peroxide hydrogen peroxide has also been said to work especially at higher strengths.
How to remove shotgun mold from vinyl siding.
If you have problems with mold and mildew on your vinyl siding you may want to experiment with spraying a copper sulfate on the siding.
Using a scrub brush on the end of a long pole will help you avoid the need to climb to the top of the ladder to reach under the eaves.
Scrub with moderate pressure being careful not to push too hard against the flexible vinyl which can break.
New vinyl siding that still has an oily residue on it can be power washed within the first week.
After that there will still be a stain left which can be taken care of with an ink eraser or possibly bleach.
Scraping the spores off one by one with a scraper or steel wool is tedious but effective.
Apply it allow it to bubble and then brush it off with a wet scrub brush or sponge.
Pour mouthwash into a handheld spray bottle.
Sometimes when you get the fungus off you ll be left with a brown stain underneath.
Soak a few paper towels in mouthwash and use them to scrub away the little black dots or peridioles it will.
Spray the artillery fungus with the mouthwash until it is dripping wet.
How to clean artillery fungus on vinyl siding.
Avoid metal fiber brushes they can damage the siding.
In other cases power washing will be fruitless.
Apply the mildicide to the fungus let it sit for a good ten minutes or so and then rinse it off.
In extreme cases removing the mulch from your property completely and using an alternative stone or non wood mulch may be the only permanent solution.
However if you ve got valuable landscaping or trees nearby.
Mouthwash mouthwash is something many swear by for cleaning artillery fungus off of vinyl siding especially mint laced varieties.