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???Aquarium Lights??? ???Exit Signs??? ???Full Spectrum??? ???Grow Lights??? ??Light Therapy Boxes?? ???Sunlight Supply??? ???T5 Lights???
???? Find a wide selection of pH Meters, Temperature Testers and EC/TDS Meters. Hanna Instruments has been providing the Hydroponics industry with the highest quality digital pH Meters for all hydroponics and horticultural applications for over a decade. We also carry pocket meters, portable pH meters, handheld meters with probe and the Truncheon EC meter from BlueLab. Also find a wide selection of Oakton pH Meters and Digital Light Meters. ????Oakton pH meters are easy to operate and appeal to a wide range of users. Use Oakton's pH testers to test pH in a variety of applications including industrial, laboratory, food, agricultural and educational. Find the appropriate meter here for your hydroponics needs.

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pH, EC, TDS Meters & Testers


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Hanna Economical pH Tester
pad Hanna HI 98103 Economical pH Testerpad
Item HI98103
$49.95
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Hanna pH Meter & Temp.Tester
pad Hanna HI 98127 Digital pH Meter & Temperature Testerpad
Item HI98127
$99.99
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Oakton pH Tester 1
pad Oakton Waterproof pH Tester 1pad
Item WD-35624-02
$79.99
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Hanna Field pH Meter
pad Hanna HI 98103GC Fruit Growers Field pH Meterpad
Item HI98103GC
$154.99
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Hanna pH, EC, TDS & Temp.
pad Hanna HI 98129 Digital Combo pH, EC, TDS & Temperature Testerpad
Item HI98129
$194.95
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Oakton Waterproof pH Tester 2
pad Oakton Waterproof pH Tester 2pad
Item WD-35624-22
$94.00
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Hanna Handheld pH, EC & TDS Meter
pad Hanna HI 9813 Handheld pH, EC & TDS Meter with Probepad
Item HI9813
$234.99
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Truncheon Meter
pad Truncheon EC, CF & PPM Nutrient Meterpad
Item 716050
$114.99
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Hanna Dist 5 EC, TDS & Temp Meter
pad Hanna Dist 5 HI 98311 Digital Waterproof EC, TDS & Temperature Meterpad
Item HI98311
$106.99
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Hanna Dist 6
pad Hanna Dist 6 HI 98312 Digital Waterproof EC, TDS & Temperature Meterpad
Item HI98312
$115.00
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Hanna pH, Temperature, EC & TDS
pad Hanna HI 991404 Combo Grocheck pH, Temperature, EC & TDS Meter with Probepad
Item HI991404
$299.99
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Hanna Conductivity Meter
pad Hanna HI 993310 Dual-Purpose Conductivity Meterpad
Item HI993310
$519.00
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Hanna Grochek
pad Hanna HI 981401N Grochek Water-Resistant pH Indicatorpad
Item HI981401N
$159.95
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Digital Light Meter
pad Digital Light Meterpad
Item 716095
$129.00
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Hanna pH & Temperature Monitot
pad Hanna HI 991401 pH & Temperature Monitor with Large LCDpad
Item HI991401
$174.99
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Hanna Checkfridge Thermometer
pad Hanna HI147 Checkfridge Thermometerpad
Item HI147
$69.99
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Hanna Checktemp Dip
pad Hanna HI 98510-01 Checktemp Dip Thermometerpad
Item HI98510-01
$49.99
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Hanna Replacement pH Electrode
pad Hanna HI 73127 Replacement pH Electrode for Pocket Meterspad
Item HI73127
$69.00
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Hanna 4 in 1 Probe
pad Hanna HI 1285 Replacement 4 in 1 Probepad
Item HI1285
$119.00
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Hanna pH 7.01 Buffer Solution
pad Hanna HI 8007 pH 7.01 Calibrating Buffer Solution 15oz.pad
Item HI8007
$25.00
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Hanna 1.5V Batteries
pad Hanna 1.5V Replacement Batteriespad
Item HI740026P
$19.99
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Hanna 230 ml. Calibration Solution
pad Hanna HI 7031M 230 ml. Calibration Solution for EC Meterspad
Item HI7031M
$16.95
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Hanna Calibration Solution
pad Hanna HI 7031L 460 ml. Calibration Solution for EC Meterspad
Item HI7031L
$17.00
pad
Hanna pH 7.01 & 1.41 EC
pad Hanna pH 7.01 & 1.41 EC Calibration Solutionpad
Item HI77100P
$32.00
pad
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Hanna Calibration Solution
pad Hanna HI 7030L 460 ml. Calibration Solution for EC Meterspad
Item HI7030L
$22.00
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pH 7.0 Calibration Solution 32oz.
pad pH 7.0 Calibration Solution 32oz.pad
Item 722035
$6.95
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