If this mixture doesn t remove all of the algae try a stronger solution using oxygen bleach.
Vinegar water to clean vinyl siding.
Always test any type of cleaner on a small section of siding to be sure it doesn t stain streak or otherwise damage the siding.
For a stronger solution mix.
Rmr 86 vinyl siding cleaner for instance is pre mixed and ready to go whereas a product like wet forget i s mixed with 5 parts water to 1 part of concentrate.
Dip a long handled soft bristled scrub brush into the cleaning solution.
Scrub the dirty vinyl siding.
How to clean vinyl siding with vinegar.
One of the best cleaning agents to try is vinegar.
Using vinegar a solution of 30 percent vinegar to 70 percent water is one of the most recommended cleaning solutions chosen by the vinyl siding institute.
Spray the siding with water from the garden hose to remove loose dirt and debris.
A good cleaner to try first is a mixture of 70 water and 30 white vinegar.
Not only is vinegar safe to use around pets and children but its grease cutting and acidic properties make it an ideal cleaner.
Some good vinyl sider cleaner solutions include.
As a low maintenance building material vinyl is just as easy to wash with a garden hose and a powerful vinyl siding cleaning solution as it is with a pressure washer.