Why Is My Patio Covered in Green Slime? 🧼🪨
Intro Green patios = algae build‑up. 1. Poor drainage Standing water encourages growth. 2. Shaded areas Lack of sun keeps surfaces damp. 3. Wet weather Rain speeds algae. 4. Dirt build‑up Helps algae stick. 5. When to clean Warm soapy water works well. Summary Most green patios come from moisture and shade.