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PET EC SOLUTION
PET EC Solution allows you to calibrate your meter in moments. Conductivity value at 25?C: 1,413 ?S/cm. Comes in FDA-approved opaque bottle to prevent light from damaging the solution.
Price: $14.95
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Sharp TDS Waterproof Tester
Model T75 Waterproof TDS tester with automatic temperature compensation and 1 point manual calibration range: 0.0 to 1999 ppm (mg/L), replaceable MA73075 probe.
The durable Sharp TDS Waterproof Tester is an easy-to-use portable tester. It offers one-point manual calibration and measures fro...
Price: $82.95
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Truncheon EC and TDS Meter
Gardeners can easily measure and maintain nutrient strength levels with the waterproof Truncheon from Bluelab. Truncheon reads in EC (0.2-3.6), CF (2-36), and TDS in both 500 and 700 ppm scales (100-2520). Accurate within ? 4% of reading with a resolution of .1 EC, the Truncheon runs on three AA ...
Price: $134.95
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