Spreader 12 lbs per 1,000 sq, ft.  Bag Covers 5,000 sq. ft. 6 lbs per 1,000 sq, ft.  Bag Covers 2,500 sq. ft.
Broadcast Spreaders
Cyclone 5 6.5
Scotts® 5 9
Spyker 3.75 4.75
Earthway 13 25
Lesco 20 or J 26 or P
Agway 7 12
Sears 7 12
Ortho 5 9
Drop Spreaders
Agway 4 6
Scotts® 5 8
Earthway 15 18
Ortho 7 9
The above spreader settings will vary according to the rate of walk and the mechanical condition of the spreader.  Adjustment to the spreader setting may be required to apply the proper amount.