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Deck Cleaning.

2K views 6 replies 5 participants last post by  gfadvm 
#1 · (Edited by Moderator)
My deck is going on three years old. I need to restain it, but first I need to clean it. What can I use to clean off the deck before I stain and seal it? I went out today and sprayed it with high pressure, but the boards are very dirty.
 
#4 ·
I didn't know they made deck cleaner. I'd like to use something that's not harmful to the environment. I even thought about using my belt sander, but I don't want that much work, it's 16×16.
 
#5 ·
Most of the deck and fence cleaners use the same active ingredient that is in plain household bleach. Bleach is not harmful to the environment and it is a lot cheaper than deck cleaners. I spray full strength bleach from a garden sprayer and the results are immediate, then rinse with water. If you want something to remove more dirt you can add TSP to the bleach (this is more harmful to the environment).
 
#7 ·
I think most deck cleaners have oxalic acid as the active ingredient. Personally, I use Chlorox bleach sprayed on with a garden sprayer, brush with a push broom, rinse with water hose and nozzle. This works well for algae as well.
 
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