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The LaMotte Tracer Pocket Tester provides a digital salinity reading of water. Various models offer additional tests as well such as salinity plus pH, TDS, or Temperature. Review from Julie Vastine: "We don't know how well they perform in brackish water but when we tested 11 meters under $200 for conductivity, the most accurate, precise, and volunteer friendly was the LaMotte Tracer Pocket Tester (~$100). We chose this meter to do baseline conductivity testing in PA streams (50-600 uS/cm) and capture potential shale gas flowback water (<20,000 uS/cm). The data use goal was a regulatory red flag for state agencies to do follow up testing. It compares well with our lab bench top probe. It has three calibration ranges (84, 1413, and 12,800 uS/cm). The salinity readings with the pocket tester uses a ratio conversion factor based on the conductivity values."
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Applications to join the final cohort in this inaugural class of SciStarter Ambassadors due May 2nd

Libraries and community organizations need your help to spark excitement for citizen science and keep the momentum going!

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Ready to make a difference? Complete your application by May 2nd to join the movement!