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bryanthegrower

Black streaking stains on wood fencing

bryanthegrower
4 months ago

Hello,


i have pretty bad black staining in pressure treated wood I have on the side of my deck. any ideas what this could be and the best way to remove it? is it iron staining? or something else? im thinking either sand away and apply new stain, or else scrub clean with a a lot of vinegar. any ideas? the wood is only 1 year old.


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