If you’re unsure about the importance of cleaning your spray equipment, take a look around the countryside. The telltale yellowed, cupped or stunted crops usually appear just inside the field gate, stretch about the width of your spray rig and fade into the field. Properly clean your equipment so your fields will stay green and growing, fencerow to fencerow.

Increased reliance on postemergence herbicides and the introduction of low-use-rate products have amplified the need for sound sprayer cleanout procedures when switching among herbicides and crops. Even miniscule amounts of an unintended herbicide can cause serious crop injury. Although crops might eventually recover, the damage is done.


The extra time you spend cleaning your sprayer will pay off. Via @Case_IH #BeReady

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Different products, tank mixes and additives require different cleanout procedures. Start by reviewing the sprayer cleaning instructions outlined on the product specimen label. Before beginning any task, it’s also important to check the label to makes sure you have the right protective clothing depending on the chemical in use. Once you’ve taken the proper safety precautions, these tips can help make cleaning your sprayer easier and can help reduce the likelihood of crop injury:

  • Try to end the day with an empty tank. Thoroughly flush the system with clean water to remove corrosive residue. If you plan to switch products or crops the next day, follow the recommended steps for comprehensive cleaning before parking the machine for the day.
  • Conduct the sprayer cleanout in a location where you can properly discard the rinsate. If a dedicated facility isn’t available, spray the rinsate according to label directions on a field or crop where the product is approved for use.
  • Pay special attention to areas or components where spray solution can accumulate or can be difficult to rinse. Frequently clean or replace strainers and screens. Replace cracked or scored hoses, which can harbor residues. Thoroughly flush sumps and pumps. Target the top of spray tanks and around baffles, plumbing fixtures and agitation units.
  • Many product specimen labels recommend specific cleaning agents, ranging from commercial detergents to ammonia or chlorine bleach solutions to fuel oil or kerosene. Several land grant universities, including Iowa State University and the University of Missouri, provide comprehensive, product-by-product sprayer cleanout instructions. You’ll likely find similar reference materials at your local Extension office.

Whether markets are high or low, you don’t want to lose money because of misapplied crop inputs, lower yields and reduced grain quality. Your Case IH dealer can walk you through the best cleanout procedures for your equipment. The extra time you spend cleaning your sprayer will pay off in higher yields. And it will give your neighbors less to rib you about.