The GBWT has recently purchased a spray calibration kit which is very simple to use, accurate and a quick measure of how much chemical you are using when spraying. If you would like to borrow this kit, please contact Michelle Coelli at Twisted Gum Wines.
Hugh Armstrong from Bayer visited the Granite Belt recently. He mentioned the videos that are available on the Bayer website with regard to spray programs and spray calibration. Scroll down to the section labelled Growers Edge from the link below.