To prevent streaking start at the bottom and work up towards the top.
Cleaning green algae off siding.
If you re dealing with significant staining over large areas of wall consider having a professional clean the stucco.
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.
Part 2 of 3.
Water stains remove with a mild detergent and water.
Choose a cleaning solution that is appropriate for the type of growth you have on your siding.
Mix your cleaning solution.
Stains on wood cleanse with mild detergent mixed with water.
If not the green discoloration may be mold.
Create a mix of bleach and water 1 tsp.
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.
If you have green staining this is algae.
Spray the siding with water from the garden hose to remove loose dirt and debris.
To 1 quart and use it in the same power washer as step 1.
Dip the scrub brush into the solution and test it to see if it is effective at removing the staining.
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.
If this mixture doesn t remove all of the algae try a stronger solution using oxygen bleach.
A good cleaner to try first is a mixture of 70 water and 30 white vinegar.
Fill a bucket with warm water and mix in the oxygen bleach powder according to the package directions.
According to the vinyl siding institute the best way is to use a soft cloth or an ordinary long handled soft bristle brush.
Test a small area.
Fill a bucket with a solution of 30 percent white vinegar and 70 percent warm water.
Step 2 dip a long handled soft bristled scrub brush into the cleaning solution.