For full instructions on how to prepare the surface and use: CLICK HERE Simply apply Monty Patio Cleaner to the affected areas, leave for 6-10 mins, then rinse off with water, Job done! Forget the hassle of pressure washing, our cleaner will save you time, money and effort. No Mess, No Noise and No Fuss! Keep safe all year round using Monty Cleaner for a slip-free garden. Monty Instant Outdoor Patio Cleaner Effectively Cleans Exterior Surfaces Fast, Without The Need For Damaging Pressure Washing. We Really Do Mean Fast, Done within 10 Minutes, Uses Less Water, The Most Powerful Outdoor Cleaner But Kind To Surfaces & The Environment. We’ve Got You Covered. Monty Miracle has created simply the best patio cleaner, eliminating: Black spot Algae Fungal growth Dirt Grime Mold Mildew Lichen Moss & many more organic stains… Monty Patio Cleaner can be used on: Brick & Block Paving Natural & Indian Stone Tarmac & Concrete Artificial Stone Roof tiles & Slates Canopies & Shelters Ornamental Ceramics Plastic, Wood & Coated Metals Fencing & Decking K Rend Pretty Much Anything You Can See Outside 5L of Monty Cleaner Covers Approx. 20 – 25 Square Meters (no need to dilute or mix, its ready to use) Can be stored for up to 18 months.