What's an effective way to clean algae off vinyl sidings?
user
Vinyl sidings, on car or boat windows, have tiny hairline cracks and crevices that are susceptible to accumulating organic growth. Try soaking in a solution of water and vinegar to remove the algae, then rinse thoroughly. You can also try using a razor blade to shave off the algae, and
assistant
What's an effective way to clean algae off vinyl sidings?
user
I have a huge list of the best ways to clean vinyl siding, and some of them require simple tools.  For example, here's an instructional video, and here are a few recipes.  Here are even more detailed instructional videos and recipes.
assistant
What's an effective way to clean algae off vinyl sidings?