This is the tool you need to quickly calculate turf sprayer settings with TurboDrop nozzles from Greenleaf Technologies. Determine optimum droplet size and PSI for all your applications on-the-go and spray with confidence. Colorant calculator section gives you all of the details you need to insure a good application using the right settings for colorants, dyes and pigments. If you use Greenleaf Technologies spray nozzles for your applications this is the app you shouldn't be without! This is the simplest and most accurate nozzle calculator app for Greenleaf nozzles. See the droplet size each nozzle generates at a variety of precise pressures. Customize by setting your application rate in gallons per 1000 sqft or gallons per acre, speed (mph), spacing (inches), and flowrate (gal/min). The reference section provides additional product info and industry terminology. Speak directly to a knowledgeable Greenleaf Technologies representative with a touch with the autodial contact feature.