• For roofs, walks, decks and patios
• Kills moss quickly
• See results in hours
• Can be used anytime of the year
• Controls moss and algae on and around homes and other buildings and home greenhouses
• Does not stain concrete, pavement, stucco or wood
• Does not damage gutters, metal flashings or downspouts
• Treats up to 500 square feet
• Contains: 29.6% zinc.