My neighbor taught me this trick to clean green algae off siding with 0 effort. Here’s how it works
rinse the siding gently.
This removes loose dust, cobwebs, pollen, and debris and allows the cleaner to reach the algae more effectively.
Avoid blasting water upward underneath siding panels.
Step 3: Apply the Cleaning Solution
Mix the siding cleaner according to the product instructions.
For many homes, an oxygen-based cleaner is a useful option because it can loosen organic staining without the harshness associated with stronger chlorine solutions.
Apply the cleaner generously to the algae-covered area.
For large walls, work in sections so the solution does not dry before you