What should you as the homeowner do to maintain your sprayer?
For sure do steps one and two from what we do above.
Clean after each use (assuming it will sit for more than a couple days).
Try to only put as much product/mix as you think you’ll need so the sprayer runs empty.
Put in a half gallon of water, slosh it around, and spray it out of the wand in an appropriate area (you can loosen the nozzle so it flows more and doesn't take forever).
Fill again with another half gallon of water, slosh it around, and spray it out of the wand in an appropriate area.
This should rinse all the corrosive products out of the mechanisms and keep it operating like new.
Unless you plan to use the sprayer for Roundup/glyphosphate, I highly recommend you remove the “Roundup” label to avoid confusion.
Backpack Sprayer Manufacturers NEVER use the same sprayer to do both Roundup/glyphosate and selective weed control (weeds in your grass) or insecticide treatments. No matter how much you clean and wash out the sprayer in-between, there’s always the chance that you don't get it clean enough then kill your grass/garden/trees/shrubs. Not worth it.
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