Rust stains on your patio from metal furniture can be an eyesore, but they are often removable with some simple techniques. The key is to act quickly and choose the right method for your patio surface, typically concrete or stone.
For light, fresh stains, start with a simple scrub using a stiff brush and a mixture of dish soap and warm water. For more stubborn rust, natural acids are highly effective. Create a paste using lemon juice and salt or white vinegar and baking soda. Apply it thickly to the stain, let it sit for 30-60 minutes, then scrub vigorously and rinse. For severe rust, a commercial rust remover containing oxalic acid is a powerful option. Always follow the product instructions, wear protective gear, and test any cleaner in an inconspicuous area first.
To prevent future stains, consider applying a sealant to your patio and using protective caps or coasters under your furniture legs. Regular cleaning and moving furniture occasionally can also prevent rust from setting in permanently. With these steps, you can restore your patio's clean appearance.