Best Decking Buying Guide - Consumer Reports.24 Mar 2017 . If there's any remaining mold and mildew, remove it using a solution of 1 part bleach and 3 parts water. . Composite Decking. Pros: Best for the look of wood without the need to stain. It's made of plastic and wood fiber and sometimes can be stained to . Pros: Toughness, rigidity, and slip resistance.