Olympic’s cleaner contains sodium hypochlorite, or bleach, and may lighten the color of your wood deck.Click to see full answer. Accordingly, what are the ingredients in deck cleaner? Oxygen Bleaches The oxygen-type bleach sodium percarbonate is a common ingredient in deck cleaners. When added to water, the chemical forms hydrogen peroxide and sodium carbonate. Combined, these two cleaners remove mildew stains, dirt and other ingrained deposits on the wood deck.Additionally, how do you use Olympic Deck Cleaner? Always test a small, hidden area, rinse and let dry before using this product. Olympic Premium Deck Cleaner should be applied at full strength with a deck care sprayer or a plastic pump-style garden sprayer and hose. Spray the affected area liberally and allow to stand for five to 10 minutes. No scrubbing necessary. In respect to this, is deck cleaner just bleach? Unfortunately, decks are often susceptible to dirt and algae because they’re outside. Contrary to popular belief, chlorine bleach is not a great cleaner for a wood deck. Luckily, you can use powdered oxygen bleach to scrub down and clean your deck without damaging the deck’s wood or any surrounding plantlife.Can you use Olympic Deck Cleaner on vinyl siding?Olympic premium deck Brightener & wash cleans, brightens & removes mold and mildew stains. It can be used to clean coated and uncoated wood or composite surfaces and brighten Gray, weather wood to a refreshed appearance. Olympic – cleans decks, fences and siding.