For blanket spraying, I find a turf-dye to be incredibly helpful to avoid overspray. It disappears after a few hours in sunlight.
How long does the label say to wait between applications? Usually its at least 14 days.
The selective herbicides can cause injury to grass if they're applied against the label instructions.
The struggle is real with those bottles. I just bought this bottle and I'm hoping it will help out with the built-in measuring compartment.
Check out Turf Mark they make a great container with little to no spill for me.
BASF 10059 Blue 32oz Turf Mark https://www.amazon.com/dp/B003ORSXR8/ref=cm_sw_r_cp_api_i_8fRvFb5RKNW4K