30 Seconds Spray & Walk Away Kills Lichen， Moss， Mold and Algae in 1 easy step. Slow release formula works over time with long lasting results. The results become visible over time. Works on many outdoor surfaces like roofs， sealed concrete， asphalt driveways， just to name a few. Perfect to use in the fall， so it can clean for you， over the winter.

• Brand Name: 30 Seconds
• Sub Brand: Spray & Walk Away
• Product Type: Lichen， Moss， Mold， Algae Killer
• Container Size: 64 oz
• Packaging Type: Hose-End Sprayer
• Application: Outdoors
• Contains Bleach: Yes
• Active Ingredient: Sodium Hypochlorite (bleach)
• Concentrate: Yes