Gloeocapsa magma is a photosynthetic cyanobacteria consisting of a small group of algae spores [8]. It is responsible for the black/dark green stains that form on roofs. These black stains are the bacteria themselves in mass amounts covering the surface of the roof shingles. Gloeocapsa magma has been around historically and up through the present, except only in the recent decades has it been considered to have detrimental effects worthy of prevention. This cyanobacteria causes substantial destruction revolving around shingle decay and loss of reflective power. Over time, Gloeocapsa magma begins to break down the contents of the shingles by feeding off of the limestone granules embedded in the shingles and this decreases the roof’s ability to reflect ultra-violet rays of light. Also, the quality of the shingles slowly diminishes [10]. They have been found to curl up at the corners as well as form raised humps on the surface. This ultimately can result is broken or disintegrated shingles. In the long run, this has been known to increase air conditioning bills and lead to more frequent roof repair and reconstruction [8]. The main preventative strategy known to date is frequent (annual) roof cleanings using roof algae cleaners [2]. Installing copper or zinc strips along the roof boarder also inhibits bacterial growth by killing off new colony formation.