ph-meter-calibration-standards

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VIVOSUN Digital Ph and TDS Meter Kits, 0.01Ph High Accuracy Pen Type Ph Meter ±
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PH Meter,Digital PH EC TDS Temp Meter Water Quality Tester for Water Hydroponics
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PH Meter High Precision Desktop PH Meter With Temperature Compensation PHS-3DW
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PH Calibration Solution PH Calibration Buffer Solution 50ml PH4.00/PH7.00/PH10.0
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PH Calibration Solution PH Calibration Buffer Solution 50ml PH4.00/PH7.00/PH10.0
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Apera Instruments Value Series Ph20 Waterproof Ph Tester Kit Auto Calibration
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PH Calibration Solution PH Calibration Buffer Solution 50ml PH4.00/PH7.00/PH10.0
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Digital Ph Meter TDS Tester Aquarium Pool Hydroponic Water Monitor 0-9999 PPM
Digital Ph Meter TDS Tester Aquarium Pool Hydroponic Water Monitor 0-9999 PPM

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CYCO pH Calibration Solution Kit pH 4.0 500 mL Bottle - Hydroponic Gardening
CYCO pH Calibration Solution Kit pH 4.0 500 mL Bottle - Hydroponic Gardening

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pH Buffer Calibration Solution- pH 4.00, 7.00, 10.00, electrode storage solution
pH Buffer Calibration Solution- pH 4.00, 7.00, 10.00, electrode storage solution

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pH Standard Calibration Buffer Solution for pH Meter (pH 4-7-10 USA Series)
pH Standard Calibration Buffer Solution for pH Meter (pH 4-7-10 USA Series)

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PH Calibration Solution PH Calibration Buffer Solution 50ml PH4.00/PH7.00/PH10.0
PH Calibration Solution PH Calibration Buffer Solution 50ml PH4.00/PH7.00/PH10.0

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PH Calibration Solution PH Calibration Buffer Solution 50ml PH4.00/PH7.00/PH10.0
PH Calibration Solution PH Calibration Buffer Solution 50ml PH4.00/PH7.00/PH10.0

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PH Calibration Solution PH Calibration Buffer Solution 50ml PH4.00/PH7.00/PH10.0
PH Calibration Solution PH Calibration Buffer Solution 50ml PH4.00/PH7.00/PH10.0

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Waterproof pH Tester Kit Auto Calibration Digital pH Meter 2000 Hrs Battery Life
Waterproof pH Tester Kit Auto Calibration Digital pH Meter 2000 Hrs Battery Life

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4In1 PH/TDS/EC/Temperature Digital Meter Pen Water Quality Analysis Tester E4
4In1 PH/TDS/EC/Temperature Digital Meter Pen Water Quality Analysis Tester E4

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Benchtop PH Meter Trans Instruments BP3001 LCD Multi Display/Calibration
Benchtop PH Meter Trans Instruments BP3001 LCD Multi Display/Calibration

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pH Standard Calibration Buffer Solution for pH Meter (USA&NIST Stnds) 40 fl oz
pH Standard Calibration Buffer Solution for pH Meter (USA&NIST Stnds) 40 fl oz

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Versatile Soil pH Meter with Protective Zinc Alloy Tip and Easy Calibration Kit
Versatile Soil pH Meter with Protective Zinc Alloy Tip and Easy Calibration Kit

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18 Pack- Ph Meter Buffer Solution Powder 6.86/4.00/9.18, Ph Calibration Solution
18 Pack- Ph Meter Buffer Solution Powder 6.86/4.00/9.18, Ph Calibration Solution

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CYCO pH Calibration Solution Kit pH 4.0 250ml Bottle - Hydroponic Gardening
CYCO pH Calibration Solution Kit pH 4.0 250ml Bottle - Hydroponic Gardening

$12.99

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3-in-1 Soil pH Water Moisture Light Tester Meter For Plants Garden Seeding Grow
3-in-1 Soil pH Water Moisture Light Tester Meter For Plants Garden Seeding Grow

$8.99

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All-in-One pH Meter for Food, Cosmetics & Fermentation - Easy Calibration
All-in-One pH Meter for Food, Cosmetics & Fermentation - Easy Calibration

$73.98

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Milwaukee MW802 Standard Portable 3-in-1 pH, EC, TDS Combo Meter
Milwaukee MW802 Standard Portable 3-in-1 pH, EC, TDS Combo Meter

$231.00

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HORIBA LAQUAtwin pH Calibration Solution Set pH4 & pH7
HORIBA LAQUAtwin pH Calibration Solution Set pH4 & pH7

$20.00

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PH Meter Buffer Solution Powder For Precise & Easy PH Calibration, 15-Pack
PH Meter Buffer Solution Powder For Precise & Easy PH Calibration, 15-Pack

$12.53

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Professional 50ML pH Meter Standard Solution Kit Achieve Optimal Calibration
Professional 50ML pH Meter Standard Solution Kit Achieve Optimal Calibration

$8.35

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pH and TDS Meter Combo,PPM Meter,0-14 PH Water Quality Tester for Water Purifier
pH and TDS Meter Combo,PPM Meter,0-14 PH Water Quality Tester for Water Purifier

$15.99

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High Precision Portable PH Meter Tester Acidity Meter Water Analyser 0.00-14 Ph
High Precision Portable PH Meter Tester Acidity Meter Water Analyser 0.00-14 Ph

$24.03

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PHS-3C Laboratory Benchtop PH Meter Automatic Calibration PH Meter Tester
PHS-3C Laboratory Benchtop PH Meter Automatic Calibration PH Meter Tester

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Portable PH Meter 0.00-14.00ph Ph Tester Acidity Meter
Portable PH Meter 0.00-14.00ph Ph Tester Acidity Meter

$11.63

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Digital Ph and TDS Meter Kits, 0.01Ph High Accuracy Pen Type Ph Meter ± 2% Reado
Digital Ph and TDS Meter Kits, 0.01Ph High Accuracy Pen Type Ph Meter ± 2% Reado

$22.99

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20 Pack Ph Calibration Solution Packets 6.86/4.01 for Accurate and Easy Calib...
20 Pack Ph Calibration Solution Packets 6.86/4.01 for Accurate and Easy Calib...

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Water pH Meter,TDS&EC Water Tester,for Hydroponics,Household Drinking,Aquarium
Water pH Meter,TDS&EC Water Tester,for Hydroponics,Household Drinking,Aquarium

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FieldNew [Japanese brand] pH meter (pH/water temperature)
FieldNew [Japanese brand] pH meter (pH/water temperature)

$42.20

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CYCO pH Calibration Solution Kit pH 4.0 1 Liter Bottle - Hydroponic Gardening
CYCO pH Calibration Solution Kit pH 4.0 1 Liter Bottle - Hydroponic Gardening

$19.99

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PH4 Calibration Solution, 16 oz Garden, Lawn, Supply, Maintenance
PH4 Calibration Solution, 16 oz Garden, Lawn, Supply, Maintenance

$29.99

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Digital Electric PH Meter Tester LCD Hydroponics Aquarium Water Pocket Test Pen
Digital Electric PH Meter Tester LCD Hydroponics Aquarium Water Pocket Test Pen

$8.99

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Digital Ph and TDS Meter Kits, 0.01Ph High Accuracy Pen Type Ph Meter ± 2% Reado
Digital Ph and TDS Meter Kits, 0.01Ph High Accuracy Pen Type Ph Meter ± 2% Reado

$30.10

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PHS-3C 2 In 1 PH Desktop Automatic Calibration Acidity Meter PH/Temp Tester
PHS-3C 2 In 1 PH Desktop Automatic Calibration Acidity Meter PH/Temp Tester

$96.00

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Advanced pH EC TDS Meter for Hydroponics & Aquariums - Auto Calibration Ready
Advanced pH EC TDS Meter for Hydroponics & Aquariums - Auto Calibration Ready

$31.49

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High Precision 7-in-1 pH/TDS/EC/Salinity Meter for Home & Professional Use
High Precision 7-in-1 pH/TDS/EC/Salinity Meter for Home & Professional Use

$42.99

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Complete pH Meter Set: Digital Soil Tester, Batteries, and Calibration Kit
Complete pH Meter Set: Digital Soil Tester, Batteries, and Calibration Kit

$75.91

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Digital Ph and TDS Meter Kits, 0.01Ph High Accuracy Pen Type Ph Meter ± 2% Reado
Digital Ph and TDS Meter Kits, 0.01Ph High Accuracy Pen Type Ph Meter ± 2% Reado

$22.17

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Professional-Grade LCD Digital pH Tester with Automatic Calibration for Easy Use
Professional-Grade LCD Digital pH Tester with Automatic Calibration for Easy Use

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FieldNew Japanese brand/optimal for aquarium management Water quality analyzer
FieldNew Japanese brand/optimal for aquarium management Water quality analyzer

$42.20

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Bluelab pH Pen Meter and Probe Care Kit pH with Calibration Supplies, Storage...
Bluelab pH Pen Meter and Probe Care Kit pH with Calibration Supplies, Storage...

$156.28

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AI209 Value Series PH20 Waterproof pH Tester Kit, ±0.1 pH Accuracy
AI209 Value Series PH20 Waterproof pH Tester Kit, ±0.1 pH Accuracy

$57.66

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Hanna Instruments HALO2 GroLine Wireless pH Tester for Soil HI9810302
Hanna Instruments HALO2 GroLine Wireless pH Tester for Soil HI9810302

$159.99

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Durable Soil pH Meter with Automatic Temperature Compensation for Hydroponics
Durable Soil pH Meter with Automatic Temperature Compensation for Hydroponics

$322.83

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Digital Meter PH ORP EC TDS CL Bluetooth Chlorinated Aquarium Fish Tank Monitor
Digital Meter PH ORP EC TDS CL Bluetooth Chlorinated Aquarium Fish Tank Monitor

$104.38

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Pocket-Sized pH/TDS Meter with Automatic Calibration & Temperature Compensation
Pocket-Sized pH/TDS Meter with Automatic Calibration & Temperature Compensation

$46.74

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High Precision Pen PH Acidity Meter With Backlit Display
High Precision Pen PH Acidity Meter With Backlit Display

$80.00

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3-in-1 Digital pH Meter with TDS & Temperature Tester for Accurate Water Quality
3-in-1 Digital pH Meter with TDS & Temperature Tester for Accurate Water Quality

$41.85

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Smart Salinity Meter Bluetooth For Salt Water Brine Chloride Tester 0.01-25.00%
Smart Salinity Meter Bluetooth For Salt Water Brine Chloride Tester 0.01-25.00%

$48.66

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Digital Ph and TDS Meter Kits, 0.01Ph High Accuracy Pen Type Ph Meter ± 2% Re...
Digital Ph and TDS Meter Kits, 0.01Ph High Accuracy Pen Type Ph Meter ± 2% Re...

$25.95

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TDS&pH Water testing Meter Comb, 4Pcs/Set Pen Type pH, TDS EC Temperature Meter
TDS&pH Water testing Meter Comb, 4Pcs/Set Pen Type pH, TDS EC Temperature Meter

$25.99

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Portable LCD Soil pH Test Kit with Zinc Alloy Tip - Includes Calibration Tools
Portable LCD Soil pH Test Kit with Zinc Alloy Tip - Includes Calibration Tools

$75.85

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Advanced Hydroponic Testing Meter with Glass Probe - pH, EC, and Temp Monitor
Advanced Hydroponic Testing Meter with Glass Probe - pH, EC, and Temp Monitor

$492.09

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Compact Digital pH Meter for Accurate Water Testing - Ideal for Pools & Drinking
Compact Digital pH Meter for Accurate Water Testing - Ideal for Pools & Drinking

$13.29

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Precision Calibration Supplies Including Three Different Standards of 50ML Each
Precision Calibration Supplies Including Three Different Standards of 50ML Each

$7.32

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Digital Ph and TDS Meter Kits, 0.01Ph High Accuracy Pen Type Ph Meter ± 2% Re...
Digital Ph and TDS Meter Kits, 0.01Ph High Accuracy Pen Type Ph Meter ± 2% Re...

$25.95

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VIVOSUN Digital Ph and TDS Meter Kits, 0.01Ph High Accuracy Pen Type Ph Meter ±
VIVOSUN Digital Ph and TDS Meter Kits, 0.01Ph High Accuracy Pen Type Ph Meter ±

$14.98

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Bluelab CAREKITPH pH Probe Care Kit with Calibration Solution, Storage Soluti...
Bluelab CAREKITPH pH Probe Care Kit with Calibration Solution, Storage Soluti...

$37.84

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Digital LCD PH Meter Pen Tester Accuracy Aquarium Pool Water Calibration 0.1
Digital LCD PH Meter Pen Tester Accuracy Aquarium Pool Water Calibration 0.1

$16.66

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All-in-One Hydroponic Soil pH Tester and Water Quality Meter, Durable Design
All-in-One Hydroponic Soil pH Tester and Water Quality Meter, Durable Design

$322.86

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Water didital ph test pen for drinking water swimming pool high accuracy
Water didital ph test pen for drinking water swimming pool high accuracy

$13.00

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Meter Replacement Electrode Probe Water Tester Spare Part Probe3479
Meter Replacement Electrode Probe Water Tester Spare Part Probe3479

$15.56

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AI209 Value Series PH20 Waterproof pH Tester Kit, ±0.1 pH Accuracy
AI209 Value Series PH20 Waterproof pH Tester Kit, ±0.1 pH Accuracy

$68.03

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3 in 1 Farming Tool PH Meter Humidity&Luminosity Tester Soil Water Tester
3 in 1 Farming Tool PH Meter Humidity&Luminosity Tester Soil Water Tester

$15.51

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3-in-1 Waterproof Digital Meter for EC, pH & Temperature - Hydroponics Essential
3-in-1 Waterproof Digital Meter for EC, pH & Temperature - Hydroponics Essential

$67.44

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Digital Ph and TDS Meter Kits, 0.01Ph High Accuracy Pen Type Ph Meter ± 2% Re...
Digital Ph and TDS Meter Kits, 0.01Ph High Accuracy Pen Type Ph Meter ± 2% Re...

$25.95

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Waterproof pH Tester Digital Temperature Compensation Auto Calibration Kit New
Waterproof pH Tester Digital Temperature Compensation Auto Calibration Kit New

$64.75

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PH Meter, 0.01 High Accuracy Pocket Size with 0-14 PH Testing Range PH Tester
PH Meter, 0.01 High Accuracy Pocket Size with 0-14 PH Testing Range PH Tester

$17.17

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Compact Digital pH Meter for Indoor Gardening and Aquariums - Batteries Included
Compact Digital pH Meter for Indoor Gardening and Aquariums - Batteries Included

$435.09

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Reliable Soil pH Meter: Accurate Readings with LCD Backlight & Temp Monitor
Reliable Soil pH Meter: Accurate Readings with LCD Backlight & Temp Monitor

$64.79

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High Precision Calibration-Free Soil pH Monitor - Perfect for Gardens & Labs
High Precision Calibration-Free Soil pH Monitor - Perfect for Gardens & Labs

$71.19

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PH-9851 2In1 PH & TDS Monitor Multi-Parameter Water Quality Monitor for Aquarium
PH-9851 2In1 PH & TDS Monitor Multi-Parameter Water Quality Monitor for Aquarium

$48.00

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PH Meter LCD Test Pen Tester Digital Electric Pocket Hydroponics Aquarium Water
PH Meter LCD Test Pen Tester Digital Electric Pocket Hydroponics Aquarium Water

$9.99

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Accurate EC Meter Standard Solution 50ML Calibration Kit EC 12 88 ms/cm
Accurate EC Meter Standard Solution 50ML Calibration Kit EC 12 88 ms/cm

$7.82

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Digital Tri-Meter Temperature Test Backlight Water Monitor Calibration ORP-3569
Digital Tri-Meter Temperature Test Backlight Water Monitor Calibration ORP-3569

$59.64

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Digital Electric PH Meter LCD Tester Pocket Hydroponics Aquarium Water Test Pen
Digital Electric PH Meter LCD Tester Pocket Hydroponics Aquarium Water Test Pen

$8.98

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HoldAll Moisture Light & pH Meter Prevents Over/Under Watering Plant Accessories
HoldAll Moisture Light & pH Meter Prevents Over/Under Watering Plant Accessories

$4.99

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Digital Soil pH Meter: Sensitive Probe, Incl. Battery - Perfect for Gardening
Digital Soil pH Meter: Sensitive Probe, Incl. Battery - Perfect for Gardening

$75.82

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Digital Ph and TDS Meter Kits, 0.01Ph High Accuracy Pen Type Ph Meter ± 2% Reado
Digital Ph and TDS Meter Kits, 0.01Ph High Accuracy Pen Type Ph Meter ± 2% Reado

$30.80

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Smart Salinity Meter Bluetooth For Salt Water Brine Chloride Tester 0.01-25.00%
Smart Salinity Meter Bluetooth For Salt Water Brine Chloride Tester 0.01-25.00%

$46.75

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AI521 PH800 Laboratory Benchtop Ph Meter Kit, 0.01 Ph Accuracy, GLP Data Managem
AI521 PH800 Laboratory Benchtop Ph Meter Kit, 0.01 Ph Accuracy, GLP Data Managem

$573.00

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All-in-One Water Quality Tester: pH & EC Conductivity Meter for Home & Garden
All-in-One Water Quality Tester: pH & EC Conductivity Meter for Home & Garden

$89.29

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Lot Of 2 HoldAll Moisture, Light & pH Meter Brand New
Lot Of 2 HoldAll Moisture, Light & pH Meter Brand New

$19.95

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AZ-86031 5 in 1 Water Quality Meter Dissolved Oxygen Tester PH Meter PH Condu...
AZ-86031 5 in 1 Water Quality Meter Dissolved Oxygen Tester PH Meter PH Condu...

$565.48

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HoldAll Moisture Light & pH Meter Prevents Over/Under Watering Plant Accessory
HoldAll Moisture Light & pH Meter Prevents Over/Under Watering Plant Accessory

$7.99

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Handheld pH Conductivity TDS Meter Automatic Temperature Compensation Function
Handheld pH Conductivity TDS Meter Automatic Temperature Compensation Function

$620.00

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HoldAll Moisture Light & pH Meter Prevents Over/Under Watering Plant Accessories
HoldAll Moisture Light & pH Meter Prevents Over/Under Watering Plant Accessories

$7.35

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3 in 1 Digital Meter for Water, TDS//Temp Meter, Water Tester for Drinking2063
3 in 1 Digital Meter for Water, TDS//Temp Meter, Water Tester for Drinking2063

$19.99

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Hydroponic Meter PH TDS Temperature Tester Monitor Nutrient Solutions Swimming
Hydroponic Meter PH TDS Temperature Tester Monitor Nutrient Solutions Swimming

$57.89

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High Precision Portable PH Meter Tester Acidity Meter Water Analyser 0.00-14 Ph
High Precision Portable PH Meter Tester Acidity Meter Water Analyser 0.00-14 Ph

$30.69

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PH Meter, TDS PPM Meter, Soil PH Tester, PH / EC Digital Kit, ( 3 Pack )
PH Meter, TDS PPM Meter, Soil PH Tester, PH / EC Digital Kit, ( 3 Pack )

$31.32

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3 Way Moisture Light & pH Meter Indoor Outdoor Garden Plants Correct Moisture
3 Way Moisture Light & pH Meter Indoor Outdoor Garden Plants Correct Moisture

$15.95

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Digital Ph and TDS Meter Kits, 0.01Ph High Accuracy Pen Type Ph Meter ± 2% Reado
Digital Ph and TDS Meter Kits, 0.01Ph High Accuracy Pen Type Ph Meter ± 2% Reado

$29.99

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User-Friendly Soil Moisture Sensor for Efficient Water Management & Growth
User-Friendly Soil Moisture Sensor for Efficient Water Management & Growth

$143.19

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