Apply Cleaning Solution (Optional) — Apply cleaning solution
Part of project
How to Clean Mildew and Algae Off Outdoor Steps · Step 3 of 7
In this video
If the stairs are particularly dirty or have stubborn stains, it is advisable to apply a specialized cleaning solution. This can be done either through your pressure washer's detergent tank/siphon tube if it has one, or by using a separate garden sprayer. Apply the cleaning solution evenly over the stair treads and risers, ensuring full coverage. Allow the solution to dwell on the surface for the time recommended by the product manufacturer, typically 5-15 minutes, to allow it to break down dirt, mildew, and grime. The video's initial moments show some foam on the stairs, indicating such a pre-treatment might have occurred.
Apply Cleaning Solution (Optional) — Apply cleaning solution
Part of project
How to Clean Mildew and Algae Off Outdoor Steps · Step 3 of 7
In this video
If the stairs are particularly dirty or have stubborn stains, it is advisable to apply a specialized cleaning solution. This can be done either through your pressure washer's detergent tank/siphon tube if it has one, or by using a separate garden sprayer. Apply the cleaning solution evenly over the stair treads and risers, ensuring full coverage. Allow the solution to dwell on the surface for the time recommended by the product manufacturer, typically 5-15 minutes, to allow it to break down dirt, mildew, and grime. The video's initial moments show some foam on the stairs, indicating such a pre-treatment might have occurred.