What Are Algae Stains on Your Roofing and How Can They Be Removed?What Are Algae Stains on Your Roofing and How Can They Be Removed? | The Glen Secret·jamestown-23693-l099.theglensecret.com·Aug 13, 2025What Are Algae Stains on Your Roofing and How Can They Be Removed?What Are Algae Stains on Your Roofing and How Can They Be Removed? | The Glen Secret