Water Quality & Instrumentation

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Water Quality Tester, Accurate and Reliable, HoneForest TDS Meter, EC Meter & Temperature Meter 3 in 1, 0-9990ppm, Ideal Water Test Meter for Drinking Water, Aquariums, etc.
(8)

$14.97

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AUVON iRelief Latex-Free TENS Unit Electrode Pads (FDA 510K Cleared), 24-Pack Medical Grade 2 x 2 Reusable TENS Unit Patches with Industry Leading Self-Stick Performance and Non-Irritating Design
(8)

$9.99

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TENS / EMS Unit 20 Snap Tens Unit Electrode Pads Large Premium Tens Pads 100% Satisfaction Guarantee Reusable up to 25 Times Gel Made in the USA
(119)

$10.69

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Syrtenty 2" Square TENS Unit Electrodes 2x2 - 44 Pack Electrode Pads for TENS Massage EMS - 100% Satisfaction Guarantee
(4,469)

$15.74

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Syrtenty Premium TENS Unit Electrodes 2" Square 20 pack Electrode Pads for TENS Massage EMS - 100% Satisfaction Guarantee
(4,464)

$8.08

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Apera Instruments PH60 Premium Waterproof pH Pocket Tester, Replaceable Probe, ±0.01 pH Accuracy, -2.00-16.00 pH Range
(86)

$79.75

Avg. Savings $0.94
Dr.Meter PH100 0.01 Resolution High Accuracy Pocket Size pH Meter with ATC, 0-14pH Measurement Range, White
(201)

$39.49

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Apera Instruments AI209 PH20 Value Waterproof pH Pocket Tester, ±0.1 pH Accuracy, 0-14.0 pH Range, Complete Kit
(118)

$56.10

Avg. Savings $8
LotFancy Reusable TENS Electrodes Pads for Massagers and Muscle Stimulators, 40pcs, 2.0 x 2.0 Inch White Foam Backing with Superior Gel Adhesive
(75)

$13.34

Avg. Savings $2
Water Quality Test Meter Pancellent TDS PH EC Temperature 4 in 1 Set
(30)

$21.17

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Anpro Beer Wort and Wine Refractometer, Dual Scale - Specific Gravity 1.000-1.120 and Brix 0-32%, Replaces Homebrew Hydrometer (Aluminum)
(22)

$17.98

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DONECO 2" Square TENS Unit Electrodes, 48-Pack Electro Pads for TENS Therapy - Universally Compatible with Most TENS Machine Models - 48-Piece Value Pack - Self-Adhering, Reusable and Premium Quality
(505)

$17.99

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Atlas Scientific EZO Conductivity Circuit
(2)

$60.00

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Brewer's Elite Deluxe Triple Scale Hydrometer, Hardcase and Cloth - Specifc Gravity ABV Tester- for Wine, Beer and Mead
(202)

$11.47

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HM Digital DM-1 In-Line Dual TDS Monitor, 0-9990 ppm Range, +/- 2% Readout Accuracy
(184)

$20.86

Avg. Savings $1
VANTAKOOL Digital PH Meter, PH Meter 0.01 PH High Accuracy Water Quality Tester 0-14 PH Measurement Range Household Drinking, Pool Aquarium Water PH Tester Design ATC (Blue) (Yellow)

$11.99

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3M 2560 Red Dot Multi-Purpose Monitoring Electrode - Bag of 100
(1)

$14.33

Avg. Savings $1
HM Digital TDS-4 Pocket Size TDS Tester Meter Without Digital Thermometer, 0-9990 ppm Measurement Range , 1 ppm Resolution, +/- 2% Readout Accuracy
(783)

$19.29

Avg. Savings $5
LaMotte 2056 ColorQ Pro 7 Digital Pool Water Test Kit
(242)

$157.58

Avg. Savings $13
Phin Hpr1710 Smart Water Care Electronic Chemical Monitor
(91)

$275.00

Avg. Savings $61
Apera Instruments PC60 Premium 5-in-1 Waterproof pH/Conductivity/TDS/Salinity/Temp. Multi-Parameter Pocket Tester, Replaceable Probe
(47)

$128.75

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Bluelab Combo Meter (pH, Conductivity, and Temperature)
(82)

$187.38

Avg. Savings $16
TDS Water Quality Tester - TDS, EC & Temperature Meter 3 in 1, 0-9999 ppm Accurate, LCD Display, TDS Meter for Drinking Water Test, Coffee, Swimming Pool, Aquarium, RO/DI System, Hydroponics

$12.99

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HYDROMETER - ALCOHOL, 0 - 200 PROOF and Tralle by Bellwether
(289)

$6.95

Avg. Savings $0.57
SX610 Waterproof pH Pen Tester, ±0.1 pH Accuracy, 0-14.0 pH Range, Suitable for Test Tube Testing, Replaceable Probe
(11)

$56.65

Avg. Savings $1
Aqueous Lab Alcohol Refractometer for Winemakers and Bartender, 0-80 Volume Percent
(7)

$22.00

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Syrtenty Premium TENS Unit Electrodes 4.5"x6" butterfly electrodes 6 pack Electrode for TENS Massage EMS - 100% Satisfaction Guarantee
(493)

$22.95

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LCD Digital TDS Meter Tester Water Quality Ppm Purity Filter (TDS Tester)
(185)

$7.99

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Complete Water Test Kit With TDS Meter - Home Testing With Results In Minutes
(23)

$44.95

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Apera Instruments PH60S Premium Food pH Pocket Tester, Swiss Spear Sensor (Replaceable), ±0.01 pH Accuracy, -2.00-16.00 pH Range
(10)

$223.20

Avg. Savings $17
Apera Instruments PH700 Benchtop Lab pH Meter, 0.01 pH Accuracy, 1-3 Points Auto Calibration, 3-in-1 pH/Temp. Electrode
(2)

$268.25

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ORP/REDOX Test Kit with ORP Probe, Calibration & Storage Solutions, ORP Circuit & Female BNC Connector - ORP Sensor Kit for ARDUINO/RASPBERRY PI - Testing for Hydroponic System, Fresh & Salt Water.

$192.00

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HM Digital Handheld TDS Meter w/ Thermometer TDS-3
(302)

$15.91

Avg. Savings $0.21
Honey Refractometer for Honey Moisture, Refractometer 58-90 % Scale Range Honey Tester, by Aqueous Lab
(11)

$23.99

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Fill-Rite TT10AN In-Line Digital Turbine Meter, 1" Female NPT Thread, 1" ID, Aluminum/Acetal/Stainless Steel/Gold
(2)

$137.46

Avg. Savings $13
Antifreeze Refractometer Ethylene Glycol: -84°F-32°F 0-70% ,Propylene Glycol: -60°F-32°F 0-63% with ATC, Concentration of ethylene glycol or propylene glycol in antifreeze liquids.From Hanstronik

$22.00

Avg. Savings $1
North Mountain Supply Glass Hydrometer - Alcoholmeter 0-200 Proof & 0-100 Tralle

$8.99

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[PH Meter], Jellas™ Pocket Size PH Meter/Mini Water Quality Tester for Aquariums,Swimming Pools, PH 0-14.0 Measuring Range, 0.1PH Resolution (Yellow)
(381)

$14.99

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1 X Hydrometer - Triple Scale
(345)

$6.28

Avg. Savings $0.95
Digital pH Meter - Ideal For Water, Aquarium, Pool, Hydroponics and more - High Accuracy Tester with Blue Backlit Display. Comes with a Free Set of Calibration Solution - By Just Utile
(103)

$23.95

Avg. Savings $0.80
LotFancy 40PCS Round TENS Unit Electrode Pads with Premium Adhesive Gel for EMS & Muscle Stimulators, Comfortable Soft Foam Backing (1.25 Inches)
(100)

$12.69

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Hanna Instruments HI98103 Checker pH Tester with pH Electrode and Batteries, 0.00 to 14.00 pH, +/-0.2 pH Accuracy, 0.01 pH Resolution
(87)

$34.00

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Global 0.05 pH Pure Test High Accuracy Compact Size Meter Tester With ATC (Automatic Temperature Compensation) LCD Screen Range 0-14 pH Resolution 0.01 pH Auto Calibration (pH Tester-Yellow)
(39)

$8.95

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Bluelab pH Probe - Replacement pH Probe for Bluelab Meters, Monitors and Controllers - PROBPH
(39)

$50.70

Avg. Savings $2
Fill-Rite 825 Digital Meter / 2 - 20 GPM
(6)

$169.31

Avg. Savings $11
Atlas Scientific pH Circuit
(6)

$40.00

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2-Pack Triple Scale Hydrometers for Home Brewing, Craft Beer, Wine, and Cider
(4)

$15.59

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Oakton EcoTestr pH 2+ Pocket pH Meter
(4)

$62.55

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EZO Dissolved Oxygen Circuit - Precise Measurements of Temperature, Salinity & Pressure Concentration of Dissolved Oxygen - Flexible Calibration - Compatible Microprocessor UART, or I2C Protocol

$46.00

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Chefast Hydrometer Kit for Wine, Beer, Mead and Kombucha - Combo Set of Triple-Scale Alcohol Hydrometer, Cleaning Cloth, and Storage Bag - ABV, Brix and Gravity Tester - Home Brewing Supplies

$9.95

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