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GroLine Cleaning Solution
Hannafrom $16.00GroLine general purpose cleaning solution that can be used for a variety of applications. Electrodes can become dirty from use and will produce ina...
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GroLine Monitor for Hydroponic Nutrients with Inline Probe
Hanna$505.00The HI981421 GroLine Monitor for Hydroponic Nutrients provides around-the-clock, continuous monitoring of pH, conductivity (EC & TDS), and temp...
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Groline pH 4.01 Calibration Solution
Hannafrom $16.00high quality pH 4.01 calibration buffer that is NIST traceable and supplied with a Certificate of Analysis. Hanna calibration buffers have the lot ...
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Groline pH 7.01 Calibration Solution
Hannafrom $16.00Groline 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...
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GroLine pH/EC/TDS Multiparameter Probe
Hanna$169.00The HI1285-8 multiparameter probe measures pH, EC/TDS, and temperature in one convenient, rugged probe. Use with the HI981420 GroLine Monitor...
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GroLine Storage Solution
Hannafrom $16.00GroLine storage solution prepared with reagent grade chemicals that can be used to ensure optimum performance of your pH and ORP electrodes. It is ...
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GroLine Waterproof pH Tester
Hanna$79.00The GroLine HI98118 pH/temperature tester is our latest pocket meter for measuring the pH of a hydroponic nutrient solution. This modern look...
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GroLine Waterproof Portable pH/EC/TDS Meter
Hanna$259.00Designed to bring simplicity to nutrient testing, the HI9814 Portable GroLine Meter is designed specifically for Hydroponic growers. The specialize...
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Hanna Groline HI981420 Nutrient Monitor
Hanna$395.00Hanna Groline HI981420 Nutrient Monitor The HI981420 GroLine Monitor for Hydroponic Nutrients provides around-the-clock, continuous monitoring of p...
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pH/EC/TDS Multiparameter Probe for use with HI9814
Hanna$149.00The HI1285-7 is a 3-in-1 pre-amplified multiparameter probe that measures pH, EC/TDS, and temperature within a single polypropylene body. The...
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Soil Test Direct Soil Conductivity Tester
Hanna$119.00The HI98331 Soil Test™ is a pocket tester specifically designed to directly measure soil conductivity (EC) and temperature. With a compact size, si...
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