Seeing green moss or black mildew on your favorite wooden park bench? Don't worry, it's a common issue. Here's a simple, step-by-step guide to restore your bench safely.
First, put on gloves for protection. For a natural clean, mix equal parts white vinegar and water in a spray bottle. Generously spray the solution onto the affected areas and let it sit for 15-20 minutes to kill the organic growth. For tougher stains, you can use a diluted oxygen bleach solution (always follow package instructions), as it's gentler on wood than chlorine bleach.
After the solution has soaked, use a stiff-bristled brush (plastic or natural fiber is best to avoid scratching) to scrub the surface. Always scrub along the direction of the wood grain. For deeply textured wood, an old toothbrush can help in crevices.
Once scrubbed, rinse the bench thoroughly with a garden hose. For persistent growth, a low-pressure power washer (under 500 PSI) can be effective. Hold the nozzle at least 12 inches away and keep it moving to prevent gouging the soft wood.
Finally, let the bench dry completely in the sun. To prevent future growth, ensure the bench is in a sunny, well-ventilated spot. Applying a wood sealant or water-repellent stain after cleaning can provide long-term protection. Regular sweeping to remove leaves and debris also helps keep your bench clean and beautiful for years to come.