Green algae on exterior siding can make an otherwise clean home look neglected surprisingly quickly. It tends to appear on shaded, damp areas of the house where moisture lingers and sunlight is limited.
The good news is that you usually do not need hours of aggressive scrubbing or a powerful pressure washer to remove it. A simple cleaning solution, enough contact time, and a gentle rinse can do most of the work for you.
Why Green Algae Grows on Siding
Algae thrives where three things come together:
moisture
shade
organic
