Mix your cleaning solution.
Chemicals to remove algae from vinyl siding.
However vinyl siding that is left damp can result in the growth of unsightly algae.
Test a small area.
Water stains remove with a mild detergent and water.
Mildew and algae on vinyl and wood use a solution made of oxygen bleach not chlorine bleach mixed with water.
Stains on wood cleanse with mild detergent mixed with water.
If not the green discoloration may be mold.
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.
Choose a cleaning solution that is appropriate for the type of growth you have on your siding.
Fill a bucket with warm water and mix in the oxygen bleach powder according to the package directions.
If this mixture doesn t remove all of the algae try a stronger solution using oxygen bleach.
A good cleaner to try first is a mixture of 70 water and 30 white vinegar.
However if you ve got valuable landscaping or trees nearby.