Have you ever wondered what those black stains on a roof are? The stains are actually an algae or fungus called Gloecapsa Magma. The fungus is feeding on the limestone filler that is in shingles. This fungus not only looks bad but shortens the life of your shingles. These stains can be removed with NO DAMAGE to your shingles. You do not need a new roof! Aquavation uses a low/no pressure method to kill and remove the fungus. Moss can also can be removed using this safe method.