solution sit for 15-30 minutes. The vinegar kills the algae, and the dish soap helps break down the grime.
For stubborn algae: Let it sit longer—up to an hour.
Step 4: Rinse
Using a garden hose with a nozzle, rinse the siding thoroughly from top to bottom. The dead algae should wash away easily.
If you have a pressure washer, you can use it on a low setting—but a regular hose is usually sufficient.
Step 5: Admire Your Clean Siding
Stand back and enjoy your spotless, algae-free home.
Why This Works
Ingredient Role
Vinegar The acetic acid kills algae and mold naturally
Dish soap Helps the solution cling to vertical surfaces and breaks down grime
Water Dilutes the vinegar to a safe, effective strength
The science: Vinegar is a mild acid that disrupts the cell walls of algae and mold, killing them effectively. The dish soap allows the solution to
