Nitro-Phos Superturf Fertilizer 19-4-10 is our best formula with environmental concerns in mind.  It has a slow-release nitrogen providing rich long-lasting color for up to 12 weeks. The slow-release formula means less mowing and easier maintenance of your lawn. This is a summer fertilizer for multiple applications over the April-September months.

• Contains Methylene Urea
• 50% of the nitrogen is slow-release for less nitrogen run-off.
• Feeds up 12 to 16 weeks
• Contains 4% iron and extra amounts of magnesium, manganese, and zinc.
• Covers 7,600 sq.ft.