Clean & Brite is the best cleaner on the market for decks, fences, siding, logs, and masonry surfaces and contains no harmful bleach. This environmentally safe outdoor cleaner is very effective and thorough. Clean & Brite Unique Advantages: No bleach; is effective and environmentally safe Does not harm plants or vegetation Cleans, brightens and eliminates superficial mildew spores One step cleaner with water rinse Cleans new or existing wood Also cleans concrete, masonry, painted surfaces It’s a concentrate: one gallon makes 4-5 gals of cleaner Tech Info – Clean & Brite is a one-step cleaner. This concentrated gel is a solution of phosphoric acid and mild detergents and additives designed for outdoor use only because it requires liberal rinsing with water. Dilute the concentrate with 3-5 parts water depending on the strength needed for your own specific project. Wet the surface liberally with the solution and let activate 30-40 minutes, then lightly scrub or pressure wash off making sure it is well rinsed with water. It does not remove previously applied paints, stains or sealers unless they are already loose, flaking or coming off. For significantly discolored or weathered wood, or wood requiring the removal of failed oil based finishes, our stronger two step Strip & Brite formula is recommended. Clean & Brite Application Tips and Tricks