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The Chapin 61900 4 Gallon Commercial Stainless is absolutely everything needed or desired in a backpack sprayer rig, earning it top dog on the best backpack sprayer list. If your budget is tight then consider the Chapin 61500, or if higher pressures are needed then check out the Field King Professional 190328 backpack sprayer. If you want more outdoor tool recommendations, read our best lawn & garden reviews.
The Chapin 61900 4 Gallon Commercial Stainless is equipped with a stainless-steel wand , has an ample 4 gallon tank capacity, includes a trifecta of nozzle selections, and has a comfy harness system, delivering on its stated purpose as a Tree and Turf Pro Backpack Sprayer.
Up to most any application, the Chapin 61900 manual backpack sprayer can handle whatever you got –tree turf, turf pro commercial, even firefighting. The ginormous translucent poly tank provides fluid level visuals, with a wide mouth opening for easy filling. A multi-stage debris filter reduces clogging. The 20” stainless steel extension wand at the end 48” reinforced hose provides sufficient reach. Sprayer includes 3 nozzles, and has enough PSI to spray 20+ feet in both horizontal and vertical orientations. Some experimentation is needed to find the best nozzle for the job, but unlike Goldilocks, with just three choices some people may be left longing for a fourth “just right” nozzle.
Related: If you like this sprayer, you’ll love our Chapin 61800 4 Gallon backpack sprayer review
Most backpack sprayers share a similar design, and the 61900 follows established form. Build quality is good and materials are solid. The cushioned grip shut-off assembly includes a pressure gauge to monitor 40-60 psi operating pressures. The pump handle also has a cushion grip and can be set for either right or left-handed operation. The 48” PVC hose length is adequate, although another 6-12” of hose would be an improvement. The stainless-steel wand holds up to bumps and bruises. The harness system includes nicely padded shoulder straps, and most importantly a larger padded hip belt than many sprayers, to comfortably take much weight off your weary shoulders (4 gallons of liquid is over 33 lbs.).
If you’ve mostly used handheld sprayers, switching to a backpack sprayer is transformative especially when jobs take some time. The 61900 is a turf pro commercial backpack sprayer and is priced accordingly as one of the more expensive units available. Even if you’re not a Pebble Beach greens-keeper, if you routinely spray or tend bigger plots then the extra gallon of material and reliable performance are certainly worthy considerations in assessing value. While pumping the 61900 is relatively easy thanks to its ergonomics, it is still a manual backpack sprayer. Those wanting completely effortless spraying and who have the budget might want to consider the MY 4 SONS Battery Powered Backpack Sprayer by M4.
Related: Check out our Chapin 63985 4 Gallon backpack sprayer review and see why it’s great for spraying pesticides on your garden
Overall, the Chapin 61900 4 Gallon Commercial Stainless stands out as a backpack sprayer that measures up to demanding use cases, and one that can handle even the most volatile fertilizers and pest control products. From landscapers to homeowners, the 61900 is a tree turf pro backpack sprayer that delivers everything you’d expect to get virtually any spraying job done