Call us: 888-349-0321

📦 Free Shipping over 149$ 📦 Shipping Availble to USA 🇺🇸

Filters

HM Digital

HM Digital, Inc. continues to be a worldwide leader in EC, TDS, pH and ORP water testing instruments offering handheld meters, in-line monitors, controllers and accessories serving the needs of a wide variety of markets. (These include reverse osmosis (RO) water filters, water purification systems, hydroponics, aquariums, pool and spa, window cleaning, cooling towers and many other applications). By offering superior products at an affordable price, HM Digital has positioned itself to be the ideal partner for all levels of the supply chain (from OEM to brick and mortar retail) looking for reliable water testing products.

HM pH 4.0 Buffer Solution

HM pH 7.0 Buffer Solution

HM Digital HM Digital pH Buffer Solution - 20 packets of 20ml

$ 30.95 CAD

In stock

TM-1 Digital Thermometer

HM Digital HM Digital TM-1 Digital Thermometer

$ 37.95 CAD

In stock

HM Digital NaCl Calibration Solution 342 ppm

HM Digital NaCl Calibration Solution 1000 ppm

HM Digital HM NaCl Calibration Solution

$ 11.99 CAD

In stock

HM Digital Consumer TDS Meter

HM Digital HM Digital Consumer TDS Meter

$ 28.99 CAD

In stock

HM Digital pH Electrode Storage Solution canada-grow-supplies

HM Digital HM Digital pH Electrode Storage Solution

$ 9.99 CAD

In stock

HM Replacement pH Probe for HM-500

HM Digital HM Digital Replacement pH Probe for HM-500

$ 65.95 CAD

In stock

HM Replacement TDS/EC Probe for HM-500

HM Digital HM Digital Replacement TDS/EC Probe for HM-500

$ 52.95 CAD

In stock

HM Digital Sensor Probe for the DM-1

HM Digital HM Digital Sensor Probe for the DM-1

$ 18.49 CAD

In stock

HM Digital Sensor Probe for the TDS Controllers

HM Digital HM Digital Sensor Probe for the TDS Controllers

$ 77.99 CAD

In stock

HM Digital Replacement pH Sensor PH 200

HM Digital HM Digital Replacement pH Sensor - PH - 200

$ 59.99 CAD

In stock

HM Digital Replacement Platinum Sensor for COM 100

HM Digital HM Digital Replacement Platinum Sensor - COM-100

$ 44.99 CAD

In stock

HM Digital Single Sensor Probe 4 pin conntector

HM Digital HM Digital Single Sensor Probe, 4 pin conntector

$ 14.99 CAD

In stock

HM Digital In-Line Single TDS Monitor w 1 -4 fittings-canada grow supply

HM Digital HM Digital In-Line Single TDS Monitor w/ 1/4" fittings

$ 44.99 CAD

In stock

HM Digital Quick Check Monitor

HM Digital Quick Check Monitor

HM Digital HM Digital Quick Check Monitor (push-to-test)

$ 37.99 CAD

In stock

HM Digital EC/TDS Controller with 4-20 mA Signal

HM Digital EC/TDS Controller with 4-20 mA Signal

HM Digital HM Digital EC/TDS Controller w/ 4-20 mA Signal

$ 379.99 CAD

In stock

HM Digital Extended Range EC/TDS Controller

HM Digital HM Digital Extended Range EC/TDS Controller

$ 299.99 CAD

In stock

HM Digital Pocket Size TDS Monitor

HM Digital HM Digital Pocket Size TDS Monitor

$ 25.99 CAD

In stock

HM Digital Pocket Size TDS and Temp Meter

HM Digital HM Digital Pocket Size TDS & Temp Meter

$ 32.99 CAD

In stock

HM Digital pH Buffer Solution

HM Digital pH Buffer Solution

HM Digital HM pH Buffer Solution

$ 14.99 CAD

In stock

HM Digital pH/Temp Hydro Tester

HM Digital HM Digital PH-80 pH/Temp Hydro Tester

$ 56.99 CAD

In stock

HM Digital HM Digital Waterproof ORP/Temp Meter

$ 144.99 CAD

In stock

HM pH ORP Electrode Storage Solution

HM Digital HM pH/ORP Electrode Storage Solution

$ 9.99 CAD

In stock

HM Digital HM DIGITAL TDS 1000 PPM CALIBRATION SOLUTION - 20 PACKETS OF 20ML

$ 32.99 CAD

In stock

HM Digital COM 80 EC/TDS/Temp Water Resistant HydroTester

HM Digital HM Digital COM-80 EC/TDS/Temp Water Resistant HydroTester

$ 52.99 CAD

In stock