Unfortunately there is no clear way to answer this to due varying factors such as the water pressure from the hose, the rate of how fast you walk and if you are spaying the foliage of plants, bushes, trees or broadcast spraying over lawn areas.  Each fill up should only take a few minutes t…
Read Full Answer »Chapin 20 Gallon Hose End Lawn Sprayer (G390) can be used with Fertilizers, Weed & Feed, Fungicides, and Herbicides. We would not advise on using it to apply Talstar or any other products not labeled to be used in a hose end sprayer. Talstar P and many similar professional grade products are very th…
Read Full Answer »The amount of liquid herbicide required in the Chapin 20 Gallon Hose End Lawn Sprayer (G390) will depend on the specific RoundUp Herbicide you are using and the mix rates on that product label. Please view the example provided by Chapin from the G390 Manual. Example:  If chemical product…
Read Full Answer »Per the manufacturer, the hole on top of the Chapin 20 Gallon Hose End Lawn Sprayer (G390) allows air to go in so that it will syphon properly.Â
Like most hose end and handheld sprayers, the Chapin 20 Gallon Hose End Sprayer will spray/mist up to 10 ft or so.