You can also use wood cleaner or professional deck cleaner. Dilute the cleaner with one part cleaner and one part water. Make sure the deck cleaner does not contain bleach, as this can damage the wood.

Make sure you get any corners or crevices on the deck using the brush or broom. If the broom cannot fit in these areas, use a small sponge.

Once the deck dries, you can replace any wood board that are rotting. You can also stain the deck to protect it.

You can rent a pressure washer from your local hardware store or buy one online. If you plan to wash the deck often, you may want to invest in a pressure washer.

You can buy wood cleaner and deck cleaner at your local hardware store or online. Make sure the cleaner does not contain bleach, as bleach can damage the wood over time. For an all natural option, mix 1 cup white distilled vinegar with 1 gallon water to make a vinegar cleaning solution.

Make sure you keep the nozzle two feet away from the deck and do not get closer than six inches to avoid damaging the wood.

Once the deck dries, you can replace any soft, rotting wood boards on the deck. You can also stain the deck to protect the wood.