Richard from Dayton, Oh writes
SpeedZone Lawn Weed Killer Concentrate can be tank mixed with other liquids per the product label (jar test performed first). Fertilizers can be applied after application of Speedzone but we are not sure the active for the weed control in the one you are wanting to use. Please provide the name of the product you would like to use for additional information. Thank you!
Answer last updated on: 05/16/2018