Water Quality & Instrumentation
Apera Instruments PC60 Premium 5-in-1 Waterproof pH/Conductivity/TDS/Salinity/Temp. Multi-Parameter Pocket Tester, Replaceable Probe
$110.95
View Deals
Apera Instruments PH60 Premium Waterproof pH Pocket Tester, Replaceable Probe, ±0.01 pH Accuracy, -2.00-16.00 pH Range
$79.99
View Deals
Aqueous Lab Alcohol Refractometer for Winemakers and Bartender, 0-80 Volume Percent
$18.99
View Deals
Syrtenty 2" Square TENS Unit Electrodes 2x2 - 44 Pack Electrode Pads for TENS Massage EMS - 100% Satisfaction Guarantee
$19.99
View Deals
Honey Refractometer for Honey Moisture, Refractometer 58-90 % Scale Range Honey Tester, by Aqueous Lab
$22.88
View Deals
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
$25.00
View Deals
1 X Hydrometer - Triple Scale
$7.99
Avg. Savings $0.06
Apera Instruments PH700 Benchtop Lab pH Meter, 0.01 pH Accuracy, 1-3 Points Auto Calibration, 3-in-1 pH/Temp. Electrode
$222.43
View Deals
HM Digital C342 TDS and EC Calibration Solution, 342 ppm (NaCl), 90 ml Volume
$9.50
View Deals
Beckett 5780 Electrode Insulator Assembly
$21.50
View Deals
Assured Automation WM-NLC Series Lead Free Brass Water Meter 3/4"
$129.00
View Deals
Compex Easy Snap Performance Electrodes, 2" x 4" (10 Count)
$35.09
View Deals
HYDROMETER - ALCOHOL, 0 - 200 PROOF and Tralle by Bellwether
$7.45
View Deals
Kendall 530 Monitoring Foam Electrodes - 30/PK (Case of 20 = 600 Electrodes)
$104.95
View Deals
LotFancy 40PCS Round TENS Unit Electrode Pads with Premium Adhesive Gel for EMS & Muscle Stimulators, Comfortable Soft Foam Backing (1.25 Inches)
$19.99
Avg. Savings $5.20
Syrtenty Premium TENS Unit Electrodes 2" Square 20 pack Electrode Pads for TENS Massage EMS - 100% Satisfaction Guarantee
$9.99
View Deals
Hanna Instruments HI98103 Checker pH Tester with Replaceable Electrode for Plant Germination
$40.00
View Deals
Hanna Instruments HI721 Iron Checker HC Handheld Colorimeter 0.00 to 5.00 ppm Range
$70.00
View Deals
Apera Instruments EC60 Premium Waterproof Conductivity Pocket Tester, ±1% F.S Accuracy, Easy Switch of EC/TDS/Salinity, Replaceable BPB Sensor
$78.77
View Deals
High Resolution Quantitative Spectroscope - 400-700nm, +/-5nm
$9.99
View Deals
Atago 3810 PAL-1 Digital Hand Held Pocket Refractometer, 0.0 - 53.0% Brix Measurement Range
$294.22
View Deals
Apera Instruments PH60S Premium Food pH Pocket Tester, Swiss Spear Sensor (Replaceable), ±0.01 pH Accuracy, -2.00-16.00 pH Range
$226.48
View Deals
ATC Glycol Fluids Refractometer Auto Car Vehicle Fluids Antifreeze Battery Acid Engine Coolant Tester Tool
$7.76
View Deals
pH DEVELOPMENT KIT FOR ARDUINO, pH PROBE/ SOLUTIONS/ pH CIRCUIT
$164.99
View Deals
HM Digital COM-80 Electrical Conductivity (EC) and Total Dissolved Solids Hydro Tester, 0-5000 ppm TDS Range, 1 ppm Resolution, +/- 2% Readout Accuracy
$27.59
Avg. Savings $2.83
Syrtenty Premium TENS Unit Electrodes 4.5"x6" butterfly electrodes 6 pack Electrode for TENS Massage EMS - 100% Satisfaction Guarantee
$12.99
View Deals
DIGITEN 1/4 Quick Connect 0.3-10L/min Water Hall Effect Flow Sensor Meter
$9.49
View Deals
Milwaukee MW102 PH and Temperature Meter
$188.25
Avg. Savings $28.51
Extech PH100 ExStik 0.00 to 14.00-PH Waterproof Meter
$99.00
View Deals
Extech PH220-C Waterproof Palm pH Meter with Cabled Electrode
$219.00
Avg. Savings $8.67
Apera Instruments PH60F Premium pH Pocket Tester with Replaceable Flat Sensor, for Skin, Fabrics, Paper's pH Testing, ±0.01 pH Accuracy, -2.00-16.00 pH Range
$94.86
View Deals
API Pondcare Master Liquid Test Kit
$30.15
View Deals
E-Z Red S102 Anti-Freeze Hydrometer
$12.31
View Deals
HM DIGITAL In-Line Single TDS Monitor SM-1 0-9990 ppm Accuracy +/-2% For Water Filtration System,RO Systems,Coolers,more
$25.95
View Deals
Liph Solutions Ultimate pH Balance - 2.0 oz. Alkaline Liquid Silica Mineral Super Concentrate. (Makes 1 gallon of finished product)
$28.99
View Deals
Brix refractometer with ATC, Brix 0-32, Hydrometer in Wine Making, Homebrew Kit (0~32%)
$17.99
View Deals
DEF Refractometer for Measuring Diesel Exhaust Fluid Concentration of Diesel Engines
$21.88
View Deals
Atlas Scientific Conductivity Kit (K 1.0)
$229.99
View Deals
Compex Easy Snap Performance Electrodes, 2" x 2" (4 Count)
$14.99
View Deals
Fill-Rite TT10AN In-Line Digital Turbine Meter, 1" Female NPT Thread, 1" ID, Aluminum/Acetal/Stainless Steel/Gold
$194.49
Avg. Savings $47.65
Herculometer Shatterproof Triple Scale Hydrometer - Polycarbonate Plastic Hydrometer for Homebrewing and Wine Making
$19.99
View Deals
Hanna Instruments HI701 Checker HC Handheld Colorimeter for Free Chlorine
$64.78
View Deals
CNBTR Multicolor Acrylic 3-30LPM LZQ-7 Oxygen Air Gas Flowmeter with Control Valve for Oxygen Adjustable
$16.99
View Deals
Milwaukee Instruments MA911B/2 Double Junction Ph Electrode with 2 m Cable and Gel Filled Electrolyte Solution
$47.70
View Deals
Therapist’s Choice FDA CLEARED OTC Medical Grade TENS Unit Electrodes. 2"x2" Square, White Cloth Topping, 40 Electrode Pads Per Pack for TENS Massage EMS. 100% Satisfaction Guarantee
$16.99
View Deals
Presidium Electronic Refractive Index Meter II
$299.00
View Deals
Capital One Shopping gets you better offers, automatically applies coupon codes at checkout, and lets you know when prices drop on products you've viewed and purchased.
© 2025 Capital One Shopping
%20Copyright%202023%20Fonticons,%20Inc.%20--%3e%3cpath%20d='M224.1%20141c-63.6%200-114.9%2051.3-114.9%20114.9s51.3%20114.9%20114.9%20114.9S339%20319.5%20339%20255.9%20287.7%20141%20224.1%20141zm0%20189.6c-41.1%200-74.7-33.5-74.7-74.7s33.5-74.7%2074.7-74.7%2074.7%2033.5%2074.7%2074.7-33.6%2074.7-74.7%2074.7zm146.4-194.3c0%2014.9-12%2026.8-26.8%2026.8-14.9%200-26.8-12-26.8-26.8s12-26.8%2026.8-26.8%2026.8%2012%2026.8%2026.8zm76.1%2027.2c-1.7-35.9-9.9-67.7-36.2-93.9-26.2-26.2-58-34.4-93.9-36.2-37-2.1-147.9-2.1-184.9%200-35.8%201.7-67.6%209.9-93.9%2036.1s-34.4%2058-36.2%2093.9c-2.1%2037-2.1%20147.9%200%20184.9%201.7%2035.9%209.9%2067.7%2036.2%2093.9s58%2034.4%2093.9%2036.2c37%202.1%20147.9%202.1%20184.9%200%2035.9-1.7%2067.7-9.9%2093.9-36.2%2026.2-26.2%2034.4-58%2036.2-93.9%202.1-37%202.1-147.8%200-184.8zM398.8%20388c-7.8%2019.6-22.9%2034.7-42.6%2042.6-29.5%2011.7-99.5%209-132.1%209s-102.7%202.6-132.1-9c-19.6-7.8-34.7-22.9-42.6-42.6-11.7-29.5-9-99.5-9-132.1s-2.6-102.7%209-132.1c7.8-19.6%2022.9-34.7%2042.6-42.6%2029.5-11.7%2099.5-9%20132.1-9s102.7-2.6%20132.1%209c19.6%207.8%2034.7%2022.9%2042.6%2042.6%2011.7%2029.5%209%2099.5%209%20132.1s2.7%20102.7-9%20132.1z'/%3e%3c/svg%3e)
- Home
- View All Automotive Supplies & Car Parts
- Automotive Performance Parts & Accessories
- Car Care Products
- Car Exterior Parts & Accessories
- Car Interior Accessories
- Car Lights & Lighting Accessories
- Car Oils & Fluids
- Car Paint & Paint Supplies
- Car Repair Tools & Equipment
- Car Replacement Parts
- Heavy Duty & Commercial Vehicle Equipment
- Motorcycle & Powersports Accessories
- RV Parts & Accessories
- Tires & Wheels
- View All Books
- Arts & Photography Books
- Bibles & Christian Books
- Biographies & Memoris
- Business & Money Books
- Calendars
- Children's Books
- Comic Books & Graphic Novels
- Computers & Technology Books
- Cookbooks & Food/Wine Books
- Craft & Hobby Books
- Education & Teaching Books
- Engineering & Transportation Books
- GLBT Books
- Health & Fitness Books
- History Books
- Humor Books
- Law & Legal Books
- Literature & Fiction Books
- Medical Books
- Mysteries, Thrillers & Suspense Books
- New & Used Textbooks
- Parenting & Relationship Books
- Political & Social Science Books
- Reference Books
- Religion & Spirituality Books
- Romance Novels & Books
- Science & Math Books
- Science Fiction & Fantasy Books
- Self-Help Books
- Sports & Outdoors Books
- Teen & Young Adult Books
- Test Preparation Books
- Travel Books
- View All CDs & Vinyl Records
- Alternative Rock CDs & Vinyl
- Blues CDs & Vinyl Records
- Broadway CDs & Vinyl Records
- Children's Music CDs
- Christian CDs & Vinyl Records
- Classic Rock CDs & Vinyl Records
- Classical CDs & Vinyl Records
- Comedy & Spoken Word CDs & Vinyl Records
- Country CDs & Vinyl Records
- Dance & Electronic CDs & Vinyl Records
- Folk CDs & Vinyl Records
- Gospel CDs & Vinyl Records
- Heavy Metal CDs & Vinyl Records
- Holiday & Wedding CDs & Vinyl Records
- Jazz CDs & Vinyl Records
- Karaoke CDs & Vinyl Records
- Latin Music CDs & Vinyl Records
- New Age CDs & Vinyl Records
- Opera & Classical Vocal CDs & Vinyl Records
- Pop CDs & Vinyl Records
- R&B CDs & Vinyl Records
- Rap & Hip-Hop CDs & Vinyl Records
- Reggae CDs & Vinyl Records
- Rock CDs & Vinyl Records
- Soundtrack CDs & Vinyl Records
- Special Interest CDs & Vinyl Records
- World Music CDs & Vinyl Records
- View All Electronics
- Car & Vehicle Electronics
- Chargers, TV Mounts, & Accessories
- Computers & Computer Accessories
- Digital Cameras & Photography Equipment
- GPS & Navigation
- Headphones
- Home Audio & Speakers
- Portable Speakers & Video Equipment
- Security & Surveillance Equipment
- Televisions & Video Equipment
- Video Projectors for Home Theaters
- Wearables
- eBook Readers & Accessories
- Event Tickets
- Groceries
- View All Industrial & Scientific Equipment
- Abrasive & Finishing Products
- Additive Manufacturing Products
- Commercial Door Products
- Cutting Tools
- Fasteners
- Filtration Equipment
- Hydraulics, Pneumatics & Plumbing Equipment
- Industrial Electrical Equipment
- Industrial Hardware
- Industrial Power & Hand Tools
- Janitorial & Sanitation Supplies
- Lab & Scientific Products
- Material Handling Products
- Occupational Health & Safety Products
- Packaging & Shipping Supplies
- Power Transmission Products
- Professional Dental Supplies
- Professional Medical Supplies
- Raw Materials
- Retail Store Fixtures & Equipment
- Robotics
- Science Education Materials
- Tapes, Adhesives & Sealants
- Test, Measurement & Inspection Equipement
- View All Movies & TV on Blu-Ray & DVD
- 3-6 Year Old TV on Blu-Ray & DVD
- A&E Home Video on DVD & Blu-Ray
- Animated TV & Movies on DVD & Blu-Ray
- Art House & International Movies on DVD & Blu-Ray
- BBC Shows on DVD & Blu-Ray
- Blu-Ray Movies
- Characters & Series
- Classic Movies on DVD & Blu-Ray
- Concert Films on Blu-Ray & DVD
- Criterion Collection on DVD & Blu-Ray
- Cult Movies
- Cult Movies on DVD & Blu-Ray
- Discovery Channel Shows on DVD & Blu-Ray
- Disney DVDs & Blu-Rays
- Disney Home Video on DVD & Blu-Ray
- Documentaries on DVD & Blu-Ray
- Fully Loaded DVDs & Blu-Rays
- Genre for Featured Categories
- HBO Movies & Shows on DVD & Blu-Ray
- Holiday & Seasonal Movies on DVD & Blu-Ray
- Independently Distributed
- Independently Distributed Movies & DVDs
- John Wayne Movies & DVDs
- MOD CreateSpace Video
- MTV Shows on Blu-Ray & DVD
- Made-for-TV Movies on DVD
- Movies on Blu-Ray & DVD
- Musicals on Blu-Ray & DVD
- Paramount Home Entertainment DVDs
- Sci-Fi Series DVDs & Blu-Rays
- Science Fiction & Fantasy DVDs
- Shakespeare on DVD Store
- Studio Specials
- Studio Specials on DVD & Blu-Ray
- TV Boxed Sets on DVD & Blu-Ray
- TV on DVD & Blu-Ray
- View All Musical Instruments
- Amplifiers & Guitar Effects
- Band & Orchestra Instruments
- Bass Guitars
- DJ Equipment
- Drums & Percussion
- Electric & Acoustic Guitars
- Electric Keyboards & MIDI
- Instrument Cases, Stands & Accessories
- Live Sound & Stage Equipment
- Microphones & Accessories
- Stringed Instruments
- Studio Recording Equipment
- Ukuleles, Mandolins & Banjos
- Woodwind Instruments
- View All Patio, Lawn & Garden Supplies
- Farm & Ranch Supplies
- Gardening & Lawn Care Supplies
- Generators & Portable Power Supplies
- Grills & Outdoor Cooking Equipment
- Havahart Traps
- Outdoor Décor
- Outdoor Heating & Cooling
- Outdoor Power Tools
- Outdoor Storage
- Patio Furniture & Accessories
- Pest Control & Insect Killers
- Pools, Hot Tubs & Supplies
- Snow Removal Equipment
- View All Tools & Home Improvement
- Building Supplies
- Electrical Supplies
- Hardware
- Kitchen & Bath Fixtures
- Light Bulbs
- Lighting & Ceiling Fans
- Measurement & Layout Tools
- Painting Supplies & Wall Treatments
- Power & Hand Tools
- Rough Plumbing
- Safety & Security Equipment
- Storage & Home Organization
- Welding & Soldering Supplies
- View All Toys & Games
- Action Figures
- Arts & Crafts Supplies
- Baby & Toddler Toys
- Board & Card Games
- Building & Construction Toys
- Dolls & Accessories
- Dress Up & Pretend Toys
- Grown-Up Toys
- Hobbies
- Kids' Electronics
- Kids' Furniture, Décor & Storage
- Learning & Educational Toys
- Novelty & Gag Toys
- Party Supplies
- Puppets
- Puzzles
- Remote Control Toys & Play Vehicles
- Sports Toys & Outdoor Play
- Stuffed Animals & Plush Toys
- Tricycles, Scooters & Wagons
- Events
- Hotels
- Sign In