How to Remove Mildew and Algae from a Wooden Fence

Step-by-Step Guide

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   Step 1: Trim and tie back plants.

   Remove any other obstructions. ,, You can move closer in for heavily stained spots but don’t keep high pressure on any spot for too long.
   
   Move the sprayer in a slow, sweeping pattern. , If stains remain proceed to the next step. , Pour a solution of one part household bleach to two parts water into a bucket.
   
   There is no need to stir.
   
   Use a scrub brush to clean the remaining stains with the solution.
   
   Be careful not to get bleach solution on your plants.
   
   Repeat the power washing on the stained areas you scrubbed. ,,,
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   Step 2: Cover tender plants with a tarp or invert buckets over them.

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   Step 3: Set the power washer on a lower pressure setting such as 1500 to 2000 psi.

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   Step 4: Stand about 2 feet (0.6 m) away from the fence and hose it down.

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   Step 5: Let the fence dry if the mildew and algae disappear from the fence.

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   Step 6: Scrub the stained areas on the fence if some stains remain after power washing.

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   Step 7: Check the fence and sand any rough areas.

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   Step 8: Sink any protruding nails or screws and repair any damaged wood.

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   Step 9: Apply wood preservative

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    Step 10: stain or paint to the fence after it dries prevent future algae and mildew growth.

Detailed Guide

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