Showing all 18 results
HANNA Instruments — a worldwide company — has been designing and manufacturing a broad range of water testing equipment for the hydroponics industry.
Spare Electrode (HI73127)
If your equipment is not working, you may need a new part, not a new device.
An innovative, yet affordable pH pen designed for highly accurate measurements.
Electrode Cleaner (HI7061)
A simple 15-20 minute cleaning will ensure that your sensor is working correctly.
Electrode Storage (HI70300)
Prepared with reagent grade chemicals to ensure a fast and reliable measurement.
Continuously monitors the three most crucial nutrient ranges in hydroponics.
Gro’Chek EC (HI983302N)
Easy to use, just hang above the sample to be monitored or take it along with you!
Gro’Chek pH (HI981401N)
Designed for the greenhouse and hydroponics industry with a continuous readout.
Continuous Indicator (HI981404N)
Ideal for hydroponics applications where constant measurements are required.
Gro’Chek TDS (HI983301N)
Ships complete with a low-maintenance probe and complete instructions.
Buffer Sachets (20mL)
Available in convenient 20 ml packets, so they’re always fresh and easy-to-use!
Combo Tester (HI98129)
Offers highly accurate results with an easy to read LCD and automatic shut-off.
Delivers accurate results with automatic calibration and temperature compensation.
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.
EC/ TDS Solutions
Use to ensure maximum accuracy for conductivity probes and monitors.
Buffers (HI7007, HI7004)
Available in sealed 500mL bottles and standardized for incomparable accuracy.
A fast and dependable way to measure the total dissolved solids in water samples.
Provides fast and highly accurate results with an easy to read LCD display.