I bought a Birchmeier Iris sprayer about six years ago. Annually, I use about 200 gallons of herbicide spray
made up of trichlophor (Element 3) at 2 oz per gallon of water. Invasives treated include buckthorn, garlic mustard and bittersweet. While the Birchmeier is a much more complicated design than the more common diaphragm ones, the spray
...Read MoreRead more about I bought a Birchmeier Iris sprayer pattern is much finer and coverage is about 20% more per gallon.
Fortunately, spare parts from Qspray are readily available, reasonably priced and delivered in a couple days. Read LessRead less about I bought a Birchmeier Iris sprayer