Well, maybe it's time to drag it out and give it a good going over. Kick-Raack is coordinator of the Pesticide Education Program, a part of the Ohio State University Extension.
Clean nozzles help ensure proper herbicide application.
Joe Link Clean sprayers reduce the chance of residual damage from pesticides left in the sprayers. In addition, clean sprayers help reduce the chance for corrosion and clogged spray nozzles. Fill the tank completely, and then flush the cleaning solution through the boom, hoses and nozzles. Completely fill the tank with water again and allow it to agitate for at least 15 minutes before flushing the boom, hoses and nozzles and draining the tank. Completely fill the tank with water a third time, and flush the tank, boom and hoses for five minutes.