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ec-meter
Bluelab Truncheon Nutrient Meter (EC/TDS/CF)
★★★★½4.7 / 5
~$99Buy now on Amazon (opens in new tab)About this product
Bluelab's Truncheon needs no calibration, never drifts, and gives instant EC/TDS readings — one of the most trusted meters in commercial and home hydro.
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