Question: How do I mix weed killer in a manual sprayer?
Option 0: Close the basin of the sprayer and pour in 3 cups of weed killer first and then 3 gallons of water, put the cap on and you are ready to spray.
Option 1: Open the basin of the sprayer and pour in 3 cups of weed killer first and then 3 gallons of water, put the cap on and you are ready to spray.
Answer: 1