Power Washing is no small task. As a matter of fact it becomes a bit of science when you begin to deal with reoccurring stains, soft substrates, oil deposits and leaching while seeking long term results. Did you know that pre-treating algae with cleaning agents can help prevent re-growth for up to 24 Months? Or that there are spray-safe, environmentally friendly products that use microbes and enzymes? The right equipment not only gets the job done faster but yields grand results.