Darynanthony from Snellville writes
With using just one ounce per gallon this may last me for a very long
The shelf life of SpeedZone Lawn Weed Killer Concentrate is between 3-5 years as long as it's stored in a cool, dry area away from any direct sunlight or extreme temperatures. Keep the product closed tight to prevent moisture in the product as well.
Answer last updated on: 04/24/2018