WET & FORGET 800006 Concentrated Stain Remover, 1 gal Bottle

Get rid of stubborn green and black stains with Wet & Forget Outdoor. Just dilute with water, spray it on, and forget it. The Wet & Forget Outdoor Concentrate is ideal for precise applications on surfaces such as sidewalks, retaining walls and fencing. Wet & Forget works with the rain and wind to gently clean moss, mold, mildew and algae stains over time on virtually any outdoor surface. No scrubbing or rinsing required. In most cases, surfaces stay clean for 1+ years after treatment with Wet & Forget. The Wet & Forget Concentrate is bleach-free, non-acidic and biodegradable. Concentrate makes 6 gallons.