Nobody's mentioned puttin a little dish soap in the glyph mix yet, so I'll throw it in here.
1/4 cup in your 2 gallon sprayer will enhance the effectiveness of the spray, makin it go farther.
Add the water first, then concentrate then soap, so it don't foam up while mixin it.
Tractor Supply glypho has surfactants in it.
Soap enhances herbicide, until it hurts.
