How To Calibrate A Backpack Sprayer 

Before you make an application of any chemical with a pump-style sprayer, it's important to make sure that it has been properly calibrated. Ewing Irrigation's Dave Paetow explains how with the D.B. Smith Field King Max.
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Ewing Outdoor Supply is the largest family-owned supplier of landscape and water management products in the country. As your business partner, we offer products and education for irrigation and landscape, turf and land management, outdoor living, sports fields, golf and sustainable solutions. Our nationwide network of friendly, knowledgeable staff helps green industry professionals discover products and services for business success.