EC Conductivity and TDS Nutrient Meters
EC and TDS combination test meters allow you to monitor the quality of the nutrient solution in your hydroponics garden by measuring EC (electrical condutivity, TDS (solids), Temperature, calcium and magnesuim levels.
Choose from the following products:
Hanna Gro'Chek DiST5 EC/TDS/temp TesterMilwaukee SM401 Portable TDS MeterMilwaukee C66 Portable EC TesterMilwaukee T75 Portable TDS TesterMilwaukee SM301 Portable EC Meter

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