If this mixture doesn t remove all of the algae try a stronger solution using oxygen bleach.
Algae house siding cleaner.
Although commercial products clean and kill unwanted growths homemade cleaners offer a cheaper alternative.
Best for cleaning gutters.
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.
Our top picks 1.
Recipe homemade mold cleaner for siding 1 2 cup trisodium phosphate tsp 1 3 cup powdered laundry detergent 1 quart household chlorine bleach 1 gallon water.
Krud kutter rust calcium and lime stain remover this non toxic bleach free indoor outdoor.
It removes grease and mold efficiently.
If you re looking for a gentler yet still effective solution clean with other products including tsp bleach and water.
Wet and forget moss mold mildew algae stain remover this bleach free wet and forget formula.
Best for stain removal.
On top of that you need a vinyl siding cleaner that fits with your pressure washer and does the cleaning with ease.
Having said that health issues are also a concern.
Zep house and siding pressure wash cleaner.
Scotts fba 51501 concentrate plus oxiclean outdoor cleaner.
Hard stubborn mildew or algae is tough to remove with only pressure washing.
Video of the day.
Wet forget roof and siding cleaner for easy removal of mold mildew and algae stains bleach free formula 48 oz.
Scotts outdoor cleaner plus.
The zep house wash is not only a good vinyl siding cleaner but it also works quickly and efficiently to clean out gutters no matter the nature of the dirt.
Simple green is an all purpose biodegradable environmentally friendly siding cleaner.
Constant rain and increased heat create the perfect breeding ground for mold mildew and algae.
A good cleaner to try first is a mixture of 70 water and 30 white vinegar.