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Water Testers

Original price $8.51 - Original price $15.64
Original price
$8.51 - $15.64
$8.51 - $15.64
Current price $8.51

BlueLab pH 7.0 Calibration Solution

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  PH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are cal...

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Original price $8.51 - Original price $15.64
Original price
$8.51 - $15.64
$8.51 - $15.64
Current price $8.51
Original price $12.50 - Original price $12.50
Original price
$12.50
$12.50 - $12.50
Current price $12.50

Bluelab pH Probe KCI Storage Solution

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The perfect solution to store and hydrate your Bluelab pH products. It is extremely important to care for and store pH probes correctly. pH probes ...

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Original price $12.50 - Original price $12.50
Original price
$12.50
$12.50 - $12.50
Current price $12.50
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Original price $223.00 - Original price $223.00
Original price
$223.00
$223.00 - $223.00
Current price $223.00

GroLine Waterproof Portable pH/EC/TDS Meter - HI9814

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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 $223.00 - Original price $223.00
Original price
$223.00
$223.00 - $223.00
Current price $223.00
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Original price $235.99 - Original price $235.99
Original price
$235.99
$235.99 - $235.99
Current price $235.99

Bluelab Combo Meter

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Bluelab Combo Meter is the 3-in-1 pH, Conductivity (EC), and Temperature meter trusted by growers for over 25 years. It provides everything you nee...

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Original price $235.99 - Original price $235.99
Original price
$235.99
$235.99 - $235.99
Current price $235.99
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Original price $305.99 - Original price $305.99
Original price
$305.99
$305.99 - $305.99
Current price $305.99

Bluelab Guardian Monitor

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Always On. Being There Optional. Monitor your reservoir pH, Conductivity, and Temperature with alerts on your phone when using the Wi-Fi-capable Bl...

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Original price $305.99 - Original price $305.99
Original price
$305.99
$305.99 - $305.99
Current price $305.99
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Original price $88.28 - Original price $88.28
Original price
$88.28
$88.28 - $88.28
Current price $88.28

Bluelab pH Pen

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The Bluelab pH Pen is the latest innovation for hand held pH meters and is the ultimate handy solution for measuring pH. Hydroponic growing lets yo...

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Original price $88.28 - Original price $88.28
Original price
$88.28
$88.28 - $88.28
Current price $88.28
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Original price $18.00 - Original price $22.00
Original price
$18.00 - $22.00
$18.00 - $22.00
Current price $18.00

GroLine Cleaning Solution

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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 $18.00 - Original price $22.00
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$18.00 - $22.00
$18.00 - $22.00
Current price $18.00
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Original price $73.73 - Original price $73.73
Original price
$73.73
$73.73 - $73.73
Current price $73.73

Bluelab Conductivity Pen PPM

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The ultimate handy solution for measuring conductivity! The Bluelab ppm Pen is the latest innovation for hand held conductivity meters. It provides...

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Original price $73.73 - Original price $73.73
Original price
$73.73
$73.73 - $73.73
Current price $73.73
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Original price $16.00 - Original price $21.88
Original price
$16.00 - $21.88
$16.00 - $21.88
Current price $16.00

GroLine Storage Solution

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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 $21.88
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$16.00 - $21.88
$16.00 - $21.88
Current price $16.00
Original price $13.99 - Original price $18.75
Original price
$13.99 - $18.75
$13.99 - $18.75
Current price $13.99

Groline pH 4.01 Calibration Solution

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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 $18.75
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$13.99 - $18.75
$13.99 - $18.75
Current price $13.99
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Original price $275.99 - Original price $275.99
Original price
$275.99
$275.99 - $275.99
Current price $275.99

Bluelab Combo Meter with Leap pH Probe

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The Bluelab Combo Meter Plus is an all-in-one, convenient portable solution for accurate measurement of pH, conductivity, and temperature in nutrie...

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Original price $275.99 - Original price $275.99
Original price
$275.99
$275.99 - $275.99
Current price $275.99
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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

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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
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Original price $371.91 - Original price $371.91
Original price
$371.91
$371.91 - $371.91
Current price $371.91

Bluelab Guardian Monitor Connect

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Bluelab Connect Guardian pH, EC and Temperature Monitor Brand: Stay connected to your crop 24/7. Monitor, data log, and remotely view pH, conductiv...

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Original price $371.91 - Original price $371.91
Original price
$371.91
$371.91 - $371.91
Current price $371.91
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Original price $459.99 - Original price $459.99
Original price
$459.99
$459.99 - $459.99
Current price $459.99

Bluelab pH Controller & Auto Doser

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Hands-Free pH Monitoring and Dosing for Perfect Crop Health Achieving the perfect pH balance is crucial for healthy crops, but constant monitorin...

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Original price $459.99 - Original price $459.99
Original price
$459.99
$459.99 - $459.99
Current price $459.99
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Original price $79.00 - Original price $79.00
Original price
$79.00
$79.00 - $79.00
Current price $79.00

GroLine Waterproof pH Tester

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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
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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

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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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