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Displaying 1 to 20 (of 691 products)

Oakton Instruments WD-35419-10 Series pH 700 Benchtop Meter with Double-Junction Glass pH Electrode, ATC Probe and Stand, 110/220 VAC

$667.35

$ 99 .00 $99.00

4.4
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Pool Salt Tester Yewhick pH and Salt Meter for Saltwater Pool pH Tester and Digital Salinity Tester 7 in 1 Salinity Meter for Swimming Pools Hot Tubs and Swim Spas

$26.34

$ 12 .99 $12.99

4.3
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4-in-1 pH Meter TDS EC Meter for Hydroponics Growing System, Digital Water pH Tester for Hydroponic Nutrient Plant Food Solution, DWC Setup and Indoor Garden, Compatible with Aerogarden

$29.99

$ 14 .99 $14.99

5.0
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Milwaukee MC120 pH Monitor with Mounting Kit, 0.0 to 14.0 pH, +/-0.2 pH Accuracy, 5.5 to 9.5 pH Set Point

$90.00

$ 40 .99 $40.99

4.6
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VIVOSUN Digital PH Meter, TDS and EC Pen for Water, Soil Moisture Tester

$19.99

$ 8 .99 $8.99

4.3
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5 in 1 PH Meter Gomass 0.01 High Accuracy ph Tester Digital for Water TDS/EC/Salt/Temp/PH Pen, PPM Meter Water Tester Drinking Water, Hydroponics, Plants, Aquarium and Pool

$25.99

$ 11 .99 $11.99

5.0
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Water Quality Tester Electrolyzer Water Quality Tester Electrolysis Iron Bars TDS Tester Electrolyzer Quick Water Quality Testing Ideal Water Test Meter for All Kinds Water

$6.94

$ 2 .99 $2.99

4.8
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Bante 210 Benchtop pH Meter | Lab pH Meter for Routine Measurements, ±0.01 pH Accuracy, 3 Points Calibration, Equipped with pH Electrode, Temperature Probe and Buffers

$199.00

$ 82 .99 $82.99

4.4
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Smart Water Quality Tester 6-in-1 pH/EC/TDS/Salinity/S.G and Temperature Meter with Wi-Fi Continuous Monitor Wall-Mounted pH Water Meter with ATC and Easy Calibration for Aquariums, Hydroponics

$67.99

$ 26 .99 $26.99

4.6
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PH Meter, Digital 4 in 1 PH EC TDS Temp Meter for Water Hydroponics, Waterproof DWC PH and EC PPM Water Tester with Backlit for Nutrients Growing,Pool,Indoor Garden, Home Brewing, Aquarium, Hot Tub

$19.99

$ 9 .99 $9.99

5.0
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Dissolved Oxygen Meter with DO Probe, Pen Type Digital DO Meter with Self-Floating Probe Electrode Water Quality Tester with ATC for Fish Tanks, Hydroponic, Freshwater Aquarium Test Kit

$128.59

$ 53 .99 $53.99

4.5
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TDS Meter Digital Water Tester, INKBIRD Professional Electronic 3-in-1 TDS, Temperature and EC Meter, 0-4995ppm, Ideal ppm Meter for Drinking Water, Aquariums, and More Lab Viscometers(White)

$19.99

$ 9 .99 $9.99

4.3
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Apera Instruments, LLC-AI221 SX610 Waterproof pH Pen Tester, ±0.1 pH Accuracy, 0-14.0 pH Range, Suitable for Test Tube Testing, Replaceable Probe

$58.69

$ 25 .99 $25.99

4.9
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Digital pH & TDS Meters Water Quality Test Kit, pH Pen Tester TDS PPM Meter 2 in 1 Kit with 0~16.00ph and 0~9999ppm Measure Range for Hydroponic, Aquarium, Drinking Water, RO System, Pool

$17.99

$ 8 .99 $8.99

5.0
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PH Meter, Digital PH Meter for Water, 0.01 High Accuracy PH Tester with 0-14 PH Measurement Range for Hydroponics, Household Drinking, Pool and Aquarium

$17.90

$ 7 .99 $7.99

4.8
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Hach Pocket Pro pH Tester, pH Meter for Water Analysis pH & Temp Testing, 9531000

$188.00

$ 93 .99 $93.99

4.3
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Oakton WD-35419-12 Instruments Series pH 700 Benchtop Meter with Probe Stand, 110/220 VAC

$589.57

$ 99 .00 $99.00

4.3
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TDS/pH/Temperature 3-in-1 pH Meter for Water, 0-14 pH Measurement Range Digital pH Meter, 0.01 High Precision Water Quality Digital pH Tester with ATC, pH TDS Water Test Meter for Drinking Water

$59.99

$ 30 .99 $30.99

4.3
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DANOPLUS Smart Water Quality Tester, 24 hrs Wireless App Monitoring of pH EC TDS Salinity SG Temperature, Mountable with Alarm Function for Aquariums & Hydroponics

$65.99

$ 28 .99 $28.99

4.6
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Instruments,Lab Benchtop pH Meter kit,1-2Points Auto Calibration,0.01 pH Accuracy,Digital Bench Top pH Meter and Electrode,6.0 inch High Definition Screen(PH100B)

$219.00

$ 90 .99 $90.99

5.0
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Displaying 1 to 20 (of 691 products)