In most cases, the stains and streaks are a form of algae commonly known as Gloeocapsa Magma.  This type of algae thrives in humid and warm climates and usually appears first on the North slope of the roof where shade is...

Spray & Forget™ is a revolutionary patent pending cleaner that removes green and black moss, algae, mildew, fungus, and lichen stains from roofs, siding, decks, brick, concrete, and other exterior surfaces.  Spray & Forget is a biodegradable, non-corrosive chemical that does not require damaging power washing and/or brushing techniques.  In fact, no rinsing is required & your landscaping will not be compromised.
 
THE SOLUTION
A revolutionary way to dissolve these damaging stains and streaks without ruining the integrity of your roof or landscaping is a new product called Spray & Forget™. It is a proven chemical that is non-corrosive, and biodegradable.