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pH — the acid content of a solution — affects a plant’s ability to absorb nutrients. Make sure your nutrient solution is in the proper range for maximum growth with a professional-quality, easy to-read pH meter. Our selection of the best testers available assures you’ll find one to meet your growing needs… and budget.
Pssst… Looking for Soil Test Kits? We’ve got `em!
Spare Electrode (HI73127)
If your equipment is not working, you may need a new part, not a new device.
All you need for simple and reliable crop management and it’s all within arms reach.
Use to accurately measure your nutrient solution’s acid/ alkaline balance.
Easy to use, accurate and inexpensive! Just a few drops is all it takes for fast results.
Provides a fast and accurate measurement of soils and growing media.
Combo Tester (HI98129)
Offers highly accurate results with an easy to read LCD and automatic shut-off.
An innovative, yet affordable pH pen designed for highly accurate measurements.
Provides fast and highly accurate results with an easy to read LCD display.
Continuously monitors the three most crucial nutrient ranges in hydroponics.
Continuous Indicator (HI981404N)
Ideal for hydroponics applications where constant measurements are required.
Gro’Chek pH (HI981401N)
Designed for the greenhouse and hydroponics industry with a continuous readout.
Easy to use, just plug it in and place the probes in your nutrient reservoir.
pHep 4 (HI98127)
Includes a dual-level, digital LCD and automatic temperature compensation.
Large dials located on the front panel makes calibration quick and simple.
Sensors don’t last forever! Replace them every 12 months for accurate test results.