On top of that you need a vinyl siding cleaner that fits with your pressure washer and does the cleaning with ease.
Best way to remove mold and mildew from vinyl siding.
8 apply a solution of trisodium phosphate dishwashing liquid oxygen bleach and water.
Oxygen bleach is another option to consider.
It appears to make mildew vanish but on porous surfaces such as wood or vinyl siding chlorine evaporates too quickly to get to the fungi s roots guaranteeing regrowth.
Hard stubborn mildew or algae is tough to remove with only pressure washing.
A pressure washer will definitely give a better point in cleaning.
When mildew gains a foothold homeowners often turn to diluted chlorine bleach sodium hypochlorite a k a.
Your standard household whitener.
Test on a small part before applying it everywhere.
A chemical solution is necessary.
A popular homemade option is to mix three 3 parts distilled white vinegar with seven 7 parts water in a bucket.