Additionally you should treat your deck or reseal the wood at least once a year.
Easiest way to clean a wood deck.
This is the best homemade wood deck cleaner to use if your deck suffers.
Fastest easiest way to clean a wood deck.
Best for wood.
Prepare to clean the deck.
The way to clean mildew is with a solution of one part bleach to four parts water.
Then clean the deck with a scrub brush or a pressure washer.
If the stain remains repeat the soak and scrub.
To add years of useful life to your deck treat.
Cleaning your deck will ensure the wood is free of grime dirt and debris.
Most painted deck cleaning products come premixed and should be sprayed or squirted on mopped lightly to clean away dirt and grime and then wiped dry with clean soft rags.
Apply the solution to the algae or mildew.
However it is important that at least once a year you give your deck a thorough cleaning following some version of the steps presented below.
To clean deck wood start by prepping the deck properly.
Not only does chlorine bleach break down wood fibers and alter the color it also corrodes metal fasteners including the screws and nails holding your deck together.
Wood is a product of nature and even pressure treated decks will eventually succumb to harsh uv rays wet dry cycles and temperature fluctuations.
Dirt collects mold spores can grow and discoloration can occur.
Cleaning with bleach does kill mold and mildew that may be on the deck but it does not eliminate the spores from which mold and mildew grow.
Clear the surface of your deck of anything that could get in your way.