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Original price $16.00 - Original price $19.00
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$16.00 - $19.00
Current price $16.00

GroLine Cleaning Solution

In stock

GroLine 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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Original price $16.00 - Original price $19.00
Original price
$16.00 - $19.00
$16.00 - $19.00
Current price $16.00
Original price $171.94 - Original price $171.94
Original price
$171.94
$171.94 - $171.94
Current price $171.94

GroLine Combo Waterproof pH/EC/TDS/Temperature Tester

Low stock

The Hanna Instruments GroLine Waterproof Pocket pH/EC/TDS/Temp Tester is a slim, lightweight, and waterproof pocket tester that measures pH, conduc...

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Original price $171.94 - Original price $171.94
Original price
$171.94
$171.94 - $171.94
Current price $171.94
Original price $505.00 - Original price $505.00
Original price
$505.00
$505.00 - $505.00
Current price $505.00

GroLine Monitor for Hydroponic Nutrients with Inline Probe

Out of stock

The HI981421 GroLine Monitor for Hydroponic Nutrients provides around-the-clock, continuous monitoring of pH, conductivity (EC & TDS), and temp...

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Original price $505.00 - Original price $505.00
Original price
$505.00
$505.00 - $505.00
Current price $505.00
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Original price $13.99 - Original price $17.99
Original price
$13.99 - $17.99
$13.99 - $17.99
Current price $13.99

Groline pH 4.01 Calibration Solution

In stock

high 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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Original price $13.99 - Original price $17.99
Original price
$13.99 - $17.99
$13.99 - $17.99
Current price $13.99
Original price $14.99 - Original price $17.99
Original price
$14.99 - $17.99
$14.99 - $17.99
Current price $14.99

Groline pH 7.01 Calibration Solution

In stock

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...

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Original price $14.99 - Original price $17.99
Original price
$14.99 - $17.99
$14.99 - $17.99
Current price $14.99
Original price $169.00 - Original price $169.00
Original price
$169.00
$169.00 - $169.00
Current price $169.00

GroLine pH/EC/TDS Multiparameter Probe

Low stock

The 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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Original price $169.00 - Original price $169.00
Original price
$169.00
$169.00 - $169.00
Current price $169.00
Original price $128.30 - Original price $128.30
Original price
$128.30
$128.30 - $128.30
Current price $128.30

GroLine Replacement Probe for GroChek Hi1285-6

Low stock

Measure pH, conductivity (EC), and TDS (ppm) with the HI1285-6 multiparameter probe. Perfect for measurements in greenhouses, water treatment, and ...

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Original price $128.30 - Original price $128.30
Original price
$128.30
$128.30 - $128.30
Current price $128.30
Original price $16.00 - Original price $19.00
Original price
$16.00 - $19.00
$16.00 - $19.00
Current price $16.00

GroLine Storage Solution

In stock

GroLine 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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Original price $16.00 - Original price $19.00
Original price
$16.00 - $19.00
$16.00 - $19.00
Current price $16.00
Original price $79.00 - Original price $79.00
Original price
$79.00
$79.00 - $79.00
Current price $79.00

GroLine Waterproof pH Tester

Low stock

The 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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Original price $79.00 - Original price $79.00
Original price
$79.00
$79.00 - $79.00
Current price $79.00
Original price $209.99 - Original price $209.99
Original price
$209.99
$209.99 - $209.99
Current price $209.99

GroLine Waterproof Portable pH/EC/TDS Meter - HI9814

In stock

The HI9814 portable meter features a large multi-level LCD that displays both pH, EC, or TDS and temperature readings simultaneously. The pH readin...

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Original price $209.99 - Original price $209.99
Original price
$209.99
$209.99 - $209.99
Current price $209.99
Original price $319.99 - Original price $319.99
Original price
$319.99
$319.99 - $319.99
Current price $319.99

Hanna Groline HI981420 Nutrient Monitor

Low stock

The Hanna GroLine HI981420 Nutrient Monitor is the perfect tool for precision monitoring of your hydroponic, aquaponic, and greenhouse nutrient sol...

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Original price $319.99 - Original price $319.99
Original price
$319.99
$319.99 - $319.99
Current price $319.99
Original price $129.99 - Original price $129.99
Original price
$129.99
$129.99 - $129.99
Current price $129.99

Hanna Instruments GroChek pH/EC/TDS/C Portable Meter w/ Cal Check

Out of stock

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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Original price $129.99 - Original price $129.99
Original price
$129.99
$129.99 - $129.99
Current price $129.99
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