Mildew and algae on vinyl and wood use a solution made of oxygen bleach not chlorine bleach mixed with water.
Cleaning green algae off siding.
Water stains remove with a mild detergent and water.
If not the green discoloration may be mold.
Always test any type of cleaner on a small section of siding to be sure it doesn t stain streak or otherwise damage the siding.
Stains on wood cleanse with mild detergent mixed with water.
A good cleaner to try first is a mixture of 70 water and 30 white vinegar.
Mix your cleaning solution.
Dip the scrub brush into the solution and test it to see if it is effective at removing the staining.
Step 2 dip a long handled soft bristled scrub brush into the cleaning solution.
Borax solution for cleaning mold off vinyl siding another cleaning recipe that is highly effective at cleaning mold and mildew from vinyl siding is a borax solution applied with a soft brush.
According to the vinyl siding institute the best way is to use a soft cloth or an ordinary long handled soft bristle brush.
To 1 quart and use it in the same power washer as step 1.
To prevent streaking start at the bottom and work up towards the top.
You will need to use bleach to clean off micro organisms like algae and mildew.
Fill a bucket with a solution of 30 percent white vinegar and 70 percent warm water.
Test a small area.
Fill a bucket with warm water and mix in the oxygen bleach powder according to the package directions.
Borax can also be part of a permanent remedy for black mold treatment on vinyl siding or to clean mold from wood on your deck.
Choose a cleaning solution that is appropriate for the type of growth you have on your siding.
If this mixture doesn t remove all of the algae try a stronger solution using oxygen bleach.
If you re dealing with significant staining over large areas of wall consider having a professional clean the stucco.
Maintenance is the first step to preventing the build up of moss algae and mold.
If you have green staining this is algae.