Mold Test Kits at Lowes.com
Wet and Forget 48-fl oz Mold and Mildew Stain Remover Concentrated Outdoor Cleaner. Easily and effectively clean up moss, mold, mildew and algae on all your outdoor surfaces with the new Wet and Forget Rapid Application Hose End. Simply spray it on, and forget it. Wet and Forget works with the rain and wind to gently remove green and black stains.