Spike with Turflon Ester to nail clover.
Also as far as missing weeds, how thick are the weeds? If you are spraying an absolute wall of weeds, the low volume may permit a few to skip by the kill. Just slow your speed down some in bad areas. Don't worry, you will not damage the lawn unless you are standstill stopped while spraying.
7x14 Stealth SE Enclosed with 48" side ramp
08 Toro Z400 48" deck, 21HP Kaw with EZ Vac twin bag
09 Exmark Turf Tracer HP 36"
21" Toro SR4 Super Recycler
Stihl KM90 Kombi w/ straight shaft trimmer & tiller heads
Husqvarna 125B Blower
Turfco XT5 Aerator
Turfco LS-22 Overseeder
EcoLawn 200 Applicator
I can do all things through Him who gives me strength.