Each 23.5 lb. bag of Anugreen 16 - 0 - 2 Fertilizer will cover 5,000 sq. ft..
Anugreen 16 - 0 - 2 Fertilizer should be swept off any concrete surfaces before watering it in to avoid any staining potential. It contains 16% nitrogen, 0% phosphorous, and 2% potassium. Milorganite Fertilizer 6 - 4 - 0 contains 6% nitrogen, 4% phosphorous, and 0% potassium.
Yes, you can apply the Anugreen 16-0-2 after you seed as there are no chemicals in the Anugreen that would inhibit grass seed growth as it is just a fertilizer. Typically fertilizers are used at seeding or a few weeks after seeding to help the new grass establish and grow.