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![Salinity Test Strips, 0-1000 ppm [Vial of 50 Strips] for Chloride Based Salt Solutions: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/71TOAQPrfzL._AC_UF1000,1000_QL80_.jpg "Salinity Test Strips, 0-1000 ppm [Vial of 50 Strips] for Chloride Based Salt Solutions: Amazon.com: Industrial & Scientific")