You might be tempted to grab a jug of bleach, but hold up. Bleach is like using a sledgehammer to swat a fly. It kills the green stuff, sure, but it also kills your grass, your flowerbeds, and your friendly neighborhood earthworms. It’s harsh, it stinks, and it can even damage the surface of your patio over time. Let’s be smarter than that.
The real secret is oxygen bleach—often called sodium percarbonate. It sounds fancy, but it’s basically laundry detergent for your patio. When mixed with water, it releases oxygen bubbles that lift away dirt and kill mold without harming your plants. You can find it at any hardware store, and your garden will thank you.
Your Kitchen is Also a Weapon
On a tight budget? Raid your pantry. A simple mix of white vinegar and water (one part vinegar, three parts water) works wonders on mild green spots. It’s acidic enough to kill the moss but gentle enough for the planet. Just don’t use it on natural stone like limestone or marble—vinegar can etch those. For stone, stick with the oxygen bleach.
How To Clean Green Algae Off Patio Furniture - YouTube
Another secret weapon? Dish soap. A few drops of a biodegradable soap in a bucket of warm water can loosen the green slime before you even scrub. It’s like giving your patio a gentle bubble bath, and who doesn’t love that?
