I have a wonderful news. We have made 2 measurement water quality probes. Faramaca water quality probe , and it has 4 sensors pH, OD, EC and Tem... - The Water Network | by AquaSPE
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Goshyda Water Sensor, 2 Probes Analog TDS Water Quality Testing Kit with Strong Compatibility : Amazon.co.uk: Garden
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World class multiparameter water quality testing probes now include built in data logging capabilities Envirotech Online
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Multiparameter Water Quality Sondes Probes Use for Sea Water Monitoring - China Multiparameter Sensor, Multiparameter Probe | Made-in-China.com
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