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Uses item details. Price when purchased online
M Buder ORP2069 Portable Water Quality Monitor Digital ORP Tester Pen Water ORP Meter (6.30 inches / 16.0 cm) $31.25
$3125
current price $31.25M Buder ORP2069 Portable Water Quality Monitor Digital ORP Tester Pen Water ORP Meter (6.30 inches / 16.0 cm)
Free shipping, arrives in 3+ days
Pre-Owned Orp (Hardcover) 0399216391 9780399216398 $8.88
$888
current price $8.88Pre-Owned Orp (Hardcover) 0399216391 9780399216398
Free shipping, arrives in 3+ days
Pre-Owned: Good
3X ORP Calibration Powder Buffer Powder ORP Tester Measuring Calibration Solution 256MV $8.23
$823
current price $8.233X ORP Calibration Powder Buffer Powder ORP Tester Measuring Calibration Solution 256MV
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ORP Meter & Hydrogen Water Tester 7-in-1 Water Quality Tester for Drinking Water, pH, TDS, EC, Temp, Salinity & S.G Monitor, Digital TDS Meter for Home, Hydroponics, AquariumPools $35.99
$3599
current price $35.99ORP Meter & Hydrogen Water Tester 7-in-1 Water Quality Tester for Drinking Water, pH, TDS, EC, Temp, Salinity & S.G Monitor, Digital TDS Meter for Home, Hydroponics, AquariumPools
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Atlas Scientific Micro ORP Kit $299.99
$29999
current price $299.99+$16.33 shipping
Atlas Scientific Micro ORP Kit
Shipping arrives in 3+ days
Ysi Calibration Solution,ORP,250mL Bottle 061321 $116.36
$11636
current price $116.36Ysi Calibration Solution,ORP,250mL Bottle 061321
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Atlas Scientific ORP Calibration Set (3 Pouches) $15.99
$1599
current price $15.99+$15.95 shipping
Atlas Scientific ORP Calibration Set (3 Pouches)
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Large Display ORP Pen $115.66
$11566
current price $115.66Large Display ORP Pen
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HM Digital ORP Electrode Storage Solution ORP-STOR $15.99
$1599
current price $15.99HM Digital ORP Electrode Storage Solution ORP-STOR
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ORP Meter,Single Line ST10R $176.47
$17647
current price $176.47ORP Meter,Single Line ST10R
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Atlas Scientific Industrial ORP Transmitter $259.99
$25999
current price $259.99+$16.07 shipping
Atlas Scientific Industrial ORP Transmitter
Shipping arrives in 3+ days
Calibration Solution,ORP,500mL Bottle 061322 $133.22
$13322
current price $133.22Calibration Solution,ORP,500mL Bottle 061322
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Atlas Scientific Surveyor Analog ORP Kit $79.99
$7999
current price $79.99+$16.19 shipping
Atlas Scientific Surveyor Analog ORP Kit
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Atlas Scientific Micro ORP Probe $243.99
$24399
current price $243.99+$15.79 shipping
Atlas Scientific Micro ORP Probe
Shipping arrives in 3+ days
Atlas Scientific Industrial ORP Oxidation Reduction Potential Probe -2000mV 2000mV $317.72
$31772
current price $317.72+$16.69 shipping
Atlas Scientific Industrial ORP Oxidation Reduction Potential Probe -2000mV 2000mV
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ETHZZLE Orp Meter Tester White Lightweight Durable for Water Quality Testing $31.51
$3151
current price $31.51ETHZZLE Orp Meter Tester White Lightweight Durable for Water Quality Testing
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High Accuracy Online pH ORP & Conductivity Controller, Digital Water Quality Tester ,Easy to Use $196.65
$19665
current price $196.65High Accuracy Online pH ORP & Conductivity Controller, Digital Water Quality Tester ,Easy to Use
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Water Quality Tester Function Tester ORP//TEMP Meter LCD Digital Water Detector for Drinking Water Pool $25.39
$2539
current price $25.39Water Quality Tester Function Tester ORP//TEMP Meter LCD Digital Water Detector for Drinking Water Pool
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Soil Temperature/ORP 2 in 1 Meter,Digital Soil Tester with Sensitive Probe and LCD,0-50 -999mV -999mV Ranges $56.68
$5668
current price $56.68Soil Temperature/ORP 2 in 1 Meter,Digital Soil Tester with Sensitive Probe and LCD,0-50 -999mV -999mV Ranges
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WiFi Smart ORP & PH Controller, Electrode Type Online Water Quality Monitor PH-803W ,Easy to Use $228.71
$22871
current price $228.71WiFi Smart ORP & PH Controller, Electrode Type Online Water Quality Monitor PH-803W ,Easy to Use
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Digital ORP Meter Pen, Portable Oxidation Reduction Potential Water Quality Tester ,Easy to Use $56.10
$5610
current price $56.10Digital ORP Meter Pen, Portable Oxidation Reduction Potential Water Quality Tester ,Easy to Use
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Digital Chlorine and ORP Meter, Household Water Testing Device for Tap & Drinking Water ,Easy to Use $70.87
$7087
current price $70.87Digital Chlorine and ORP Meter, Household Water Testing Device for Tap & Drinking Water ,Easy to Use
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3-In-1 ORP Chlorine TEMP Tester Digital Water Quality Meter High-Precision Swimming Pools CL Monitor ,Easy to Use $68.84
$6884
current price $68.843-In-1 ORP Chlorine TEMP Tester Digital Water Quality Meter High-Precision Swimming Pools CL Monitor ,Easy to Use
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ORP Electrode with Replaceable Probe and BNC Connection for Reliable Water Monitoring in Pools and Aquaculture Water Testing $47.52
$4752
current price $47.52ORP Electrode with Replaceable Probe and BNC Connection for Reliable Water Monitoring in Pools and Aquaculture Water Testing
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Professional Digital pH ORP TDS Temp Tester, 4-in-1 Water Quality Pen, Backlight Water Quality Meter ,Easy to Use $51.58
$5158
current price $51.58Options from $51.58 – $60.37
Professional Digital pH ORP TDS Temp Tester, 4-in-1 Water Quality Pen, Backlight Water Quality Meter ,Easy to Use
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ORP Composite Electrode Probe ORP Replacement Sensor High Probe Suitable for Laboratory Aquarium Hydroponics $26.91
$2691
current price $26.91ORP Composite Electrode Probe ORP Replacement Sensor High Probe Suitable for Laboratory Aquarium Hydroponics
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Industrial PH Controller ORP Meter Monitor Digital 0.02pH 1mV Upper Lower Limit Control Alarm PH Tester ,Accurate $263.76
$26376
current price $263.76Industrial PH Controller ORP Meter Monitor Digital 0.02pH 1mV Upper Lower Limit Control Alarm PH Tester ,Accurate
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Elowen ORP Meter Water Pen ORP Meter with Backlit Display Portable Oxidation Reduction Potential Industry and Experiment Analyzer Redox Meter Measure Household Drinking Water Quality Analysis $20.97
$2097
current price $20.97Elowen ORP Meter Water Pen ORP Meter with Backlit Display Portable Oxidation Reduction Potential Industry and Experiment Analyzer Redox Meter Measure Household Drinking Water Quality Analysis
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Industrial PH Controller ORP Meter Monitor Digital 0.02pH 1mV Upper Lower Limit Control Alarm PH Tester ,Trusted Expertise - ORP PROBE $81.02
$8102
current price $81.02Industrial PH Controller ORP Meter Monitor Digital 0.02pH 1mV Upper Lower Limit Control Alarm PH Tester ,Trusted Expertise - ORP PROBE
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Suodoka 2 in 1 Digital ORP/TEMP Meter Tester for Aquarium Pool Hydroponic Water Monitor, Waterproof Pen Type Redox Potential Detector 7.4 x 1.38 inches / 18.8 x 3.5 cm $23.82
$2382
current price $23.82Suodoka 2 in 1 Digital ORP/TEMP Meter Tester for Aquarium Pool Hydroponic Water Monitor, Waterproof Pen Type Redox Potential Detector 7.4 x 1.38 inches / 18.8 x 3.5 cm
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Yajisi Portable ORP Conductivity Tester Meter Water Quality Testing Pen with LED Display for Aquarium, -1200 to 1200MV Range, Automatic Temperature Compensation, Includes Batteries for Hydroponics $34.77
$3477
current price $34.77Yajisi Portable ORP Conductivity Tester Meter Water Quality Testing Pen with LED Display for Aquarium, -1200 to 1200MV Range, Automatic Temperature Compensation, Includes Batteries for Hydroponics
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ORP Probe for use with Water Quality Meter $148.42
$14842
current price $148.42+$9.98 shipping
ORP Probe for use with Water Quality Meter
Shipping arrives in 3+ days
5 In 1 Water Quality Tester Monitor PH EC TDS Temperature ORP Meter For Pools Drinking Water Aquariums Digital Quality Detector ,Multifunctional $66.26
$6626
current price $66.265 In 1 Water Quality Tester Monitor PH EC TDS Temperature ORP Meter For Pools Drinking Water Aquariums Digital Quality Detector ,Multifunctional
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Suodoka 4-in-1 ORP H2 pH Temp Meter, High Sensitivity Backlit LCD Digital Water Quality Tester Pen for Swimming Pool, Fish Tank, Drinking Water (7.09 inches / 180 mm) $27.53
$2753
current price $27.53Suodoka 4-in-1 ORP H2 pH Temp Meter, High Sensitivity Backlit LCD Digital Water Quality Tester Pen for Swimming Pool, Fish Tank, Drinking Water (7.09 inches / 180 mm)
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Industrial PH Controller ORP Meter Monitor Digital 0.02pH 1mV Upper Lower Limit Control Alarm PH Tester ,Multifunctional $141.06
$14106
current price $141.06Industrial PH Controller ORP Meter Monitor Digital 0.02pH 1mV Upper Lower Limit Control Alarm PH Tester ,Multifunctional
Free shipping, arrives in 3+ days
JUANCHENG Replaceable ORP electrode BNC connection water quality detector swimming pool $43.79
$4379
current price $43.79JUANCHENG Replaceable ORP electrode BNC connection water quality detector swimming pool
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Aquasol S010 ORP Electrode Controller $165.00
$16500
current price $165.00Aquasol S010 ORP Electrode Controller
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Suodoka Digital ORP Meter Auto Calibration High Accuracy Clear Display Portable Conductivity Water Quality Test Pen for Aquariums, Includes User Manual, 7.2 inches / 18.4 cm $25.39
$2539
current price $25.39Suodoka Digital ORP Meter Auto Calibration High Accuracy Clear Display Portable Conductivity Water Quality Test Pen for Aquariums, Includes User Manual, 7.2 inches / 18.4 cm
Free shipping, arrives in 3+ days
Replacement ORP Probe Oxidation Reduction Electrode for Monitor Meter ,Easy to Use $85.65
$8565
current price $85.65Replacement ORP Probe Oxidation Reduction Electrode for Monitor Meter ,Easy to Use
Free shipping, arrives in 3+ days
Riousery ORP Meter Portable Redox Potential Test Pen Digital Water Quality Measurement Tester for Pool and Pond Temperature Accuracy 9.45 inches / 24 cm Length $32.99
$3299
current price $32.99Riousery ORP Meter Portable Redox Potential Test Pen Digital Water Quality Measurement Tester for Pool and Pond Temperature Accuracy 9.45 inches / 24 cm Length
Free shipping, arrives in 3+ days