Gloeocapsa Magma Demystified: Why Those Black Streaks on Your Roof Are Destroying Your Shingles
Gloeocapsa Magma Demystified: Why Those Black Streaks on Your Roof Are Destroying Your Shingles The dark streaks running down the north-facing slope of a roof are not soot, not dirt, and not asphalt bleeding through. They are living colonies of Gloeocapsa magma, a cyanobacteria that feeds on the limestone filler manufacturers that blend into asphalt […]









