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GroLine Cleaning Solution
GroLine general purpose cleaning solution that can be used for a variety of applications. Electrodes can become dirty from use and will produce ina...
View full detailsGroLine Combo Waterproof pH/EC/TDS/Temperature Tester
The Hanna Instruments GroLine Waterproof Pocket pH/EC/TDS/Temp Tester is a slim, lightweight, and waterproof pocket tester that measures pH, conduc...
View full detailsGroLine Monitor for Hydroponic Nutrients with Inline Probe
The HI981421 GroLine Monitor for Hydroponic Nutrients provides around-the-clock, continuous monitoring of pH, conductivity (EC & TDS), and temp...
View full detailsGroline pH 4.01 Calibration Solution
high quality pH 4.01 calibration buffer that is NIST traceable and supplied with a Certificate of Analysis. Hanna calibration buffers have the lot ...
View full detailsGroline pH 7.01 Calibration Solution
Groline pH 7.01 Calibration Solution is a high quality pH 7.01 calibration buffer that is NIST traceable and supplied with a Certificate of A...
View full detailsGroLine pH/EC/TDS Multiparameter Probe
The HI1285-8 multiparameter probe measures pH, EC/TDS, and temperature in one convenient, rugged probe. Use with the HI981420 GroLine Monitor...
View full detailsGroLine Replacement Probe for GroChek Hi1285-6
Measure pH, conductivity (EC), and TDS (ppm) with the HI1285-6 multiparameter probe. Perfect for measurements in greenhouses, water treatment, and ...
View full detailsGroLine Storage Solution
GroLine storage solution prepared with reagent grade chemicals that can be used to ensure optimum performance of your pH and ORP electrodes. It is ...
View full detailsGroLine Waterproof pH Tester
The GroLine HI98118 pH/temperature tester is our latest pocket meter for measuring the pH of a hydroponic nutrient solution. This modern look...
View full detailsGroLine Waterproof Portable pH/EC/TDS Meter - HI9814
The HI9814 portable meter features a large multi-level LCD that displays both pH, EC, or TDS and temperature readings simultaneously. The pH readin...
View full detailsHanna Groline HI981420 Nutrient Monitor
The Hanna GroLine HI981420 Nutrient Monitor is the perfect tool for precision monitoring of your hydroponic, aquaponic, and greenhouse nutrient sol...
View full detailsHanna Instruments GroChek pH/EC/TDS/C Portable Meter w/ Cal Check
The HI9813-6 features the Hanna Instruments CAL Check that will allow the user to know when the probe needs to be calibrated or replaced. The meter...
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