You don't need a pressure washer. A shady patio may be a welcome spot to escape the Southern heat, but it can also create a damp environment that invites mildew and mold. Trees, shrubs, and structures ...
This concentrated cleaner is formulated for use with a pressure washer, but also works with a sponge or scrub brush for smaller areas or more fragile surfaces. And Simple Green Oxy Solve Total Outdoor ...