Check the listing for details. Salt Meter SALT-3000 Pool & Koi Pond Salinity Tester, Calibrated @ 3000 ppm NaCl. Condition: New. Listed at 15.99 USD. eSeasongear SALT-3000 Digital Salt Salinity Meter Tester *** Check out more eSeasongear Products (Click Here) *** Precalibrated at 3000 ppm salt (NaCl) *** Built-in ATC sensor for Automatic Temperature Compensation, 1 to 50 degrees Celsius (33 to 122 degrees Fahrenheit) *** Built-in salt (NaCl) conversion factor for meter calibration *** Thermometer display in °C *** Works ONLY for Salt Water Pool and Koi Fish Pond Salt level testing! *** Will NOT work for Sea/Marine/Salt Water Fish Tank Salt level testing! *** Will NOT work for Food salt level testing! *** Will NOT work for any other application! *** NOT waterproof! Salt Range: 0-9999 ppm or 0-1%; Temperature Range: 1-50 °C Check out the picture to find out how to read the digital display: 300x10ppm = 3000ppm = 0.300% salt The SALT-3000 is precalibrated at 3000ppm salt so there is no calibration needed. One Year eSeasongear Warranty Cross reference: KioMedic Koi Medic Salt Meter *** eSeasongear is a registered trademark of All Water Care, Inc.