Grass So Green1 Gal. 19-0-0 Lawn Fertilizer. Apply Grass So Green through American Hydro Systems injection and siphoning systems to feed your lawn automatically. Grass So Green won't burn lawns and its small feeding of nutrients every time you water, provide a beautiful landscape throughout the entire sprinkling season. People like to eat more than 3-4-times a years does your lawn. By using our patented Pro Feeder you simply and easily feed your lawn vital nutrients to keep it lush and looking great throughout the year. 1 Gal. of Grass So Green will feed 4000 sq. ft. of lawn for 1-month.

• Formulated for maintaining a thicker, greener lawn
• Replaces nutrients lost due to mowing
• Easy to use: designed for the use in the green feeder
• Add 1 Gal. for every 4,000 sq. ft. per month
• Fertilize as you water your lawn