I want to understand spraying calibration for WBGone using my 5ft. spray boom. I need help in selecting nozzle type and how much WB gon in my 33gal tank for that nozzle. Speed = 3.78mph... made several 500 ft runs WBGone = 2 oz. per 500 sq. ft. so 1.36 gal/acre is cal correct Boom size = 5 ft with 3 nozzles so 20spacing Nozzles grey= running out 1 gal/min for the 3 nozzles Pump rated 30psi-50psi --no pressure gage Size of tank = 33 gal I need to get more area with the 33 gal tank Be patient with me I am trying to study ino on this site but I am hung up somewhere.