THE BASIC PRINCIPLES OF ROOF CLEANING

I have a comparatively new deck 4yrs old; that was stained 3mos just after staying crafted and over again 2 yrs back. not undesirable on dirt and algae (south struggling with deck).. Should I use a std restore a deck clearer and electric power clean for most effective final results. Algae is gross and could make your deck slippery. mould could be