How to Clean a Cement Patio DIY
Don't use a metallic brush because it can leave metal bits on the concrete that rust and stain the patio. If you have flowerbeds surrounding your patio protect them as well. Bleach will harm the plants. Rinse the bleach off with the hose. Oxygen bleach (like OxiClean) is a safer option. Dilute with water and spray on the patio then rinse off.
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