HM Digital TDS EC/Temp Hydrotester

The HM Digital EC/TDS HydroTester is a water-resistant meter that measures electrical conductivity, total dissolved solids, and temperature. With four scales and a simultaneous temperature reading, it suits hydroponics, gardening, pools and spas, aquariums and reef tanks, water ionizers, and drinking water.

At a glance

• Type: EC / TDS / temperature meter
• Measures: Electrical conductivity, total dissolved solids, temperature
• Scales: microsiemens, millisiemens, ppm, ppt
• Ranges: 0-9,990 uS, 0-5,000 ppm, 0-9.9 mS, 0-5.0 ppt
• Power: 3 x 1.5V button cell batteries (included)
• Warranty: One year, includes protective cap

Best for

• Hydroponic nutrient testing
• Aquariums and reef tanks
• Pools, spas, and water ionizers
• Drinking water checks
• Garden and soil-water monitoring

How to use

Remove the protective cap and submerge the probe in the solution to read EC, TDS, or temperature on the LCD screen, selecting the appropriate scale for your application. The water-resistant body tolerates routine testing, and the included batteries make it ready to use out of the box.

About Grow Organic

Grow Organic (Peaceful Valley Farm and Garden Supply) has served organic gardeners since 1976 with seeds, amendments, and tools selected for sustainable, productive growing.