Posted 5/22/2020 17:03 (#8273783 - in reply to #8273762) Subject: RE: Leaving atrazine in sprayer overnight?
Nevada, Iowa
It shouldn't be an issue but you might agitate for awhile every day to stay on the safe side. Close the valves on the tank in between agitation periods. I don't know if it's as bad these days but wettable powders used to settle into low hoses and the pump and then you will have a mess.