Martin from Manteo writes
The percentage of active ingredient is different. SpeedZone Southern Herbicide contains 2,4-D, 2-ethylhexyl ester 10.49%, Carfentrazone-ethyl 0.54%, Dicamba 0.67%, Mecoprop-P 2.66% while SpeedZone Lawn Weed Killer Concentrate contains 2,4-D, 2-ethylhexyl ester 28.57%, Carfentrazone-ethyl 0.62%, Dicamba 1.71%, Mecoprop-P 5.88%.
Answer last updated on: 12/10/2018