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pH, EC Meters & Control
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HM Digital

pH, EC Meters & Control

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HM Digital pH, EC Meters & Control

Established in 1987, HM Digital, Inc. (formerly known as Heemang Electronics) is an original equipment manufacturer (OEM) that has been recognized worldwide for providing the best values in water testing instrumentation, especially the increasingly popular TDS meter.

Accurate and reliable pH and EC meters from Bluelab, ETI, HM Digital, Eutech and meter calibration solutions and pH adjustment acid's.

Keeping both pH and EC (nutrient strength) levels consistent will enhance every aspect of plant growth and yield. Nutrient strength and pH management information can be found in our FAQ pages.