The Best Antifreeze Tester of 2021 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best Antifreeze Tester of 2021. Check our ranking below.

2,682 Reviews Scanned

SaleRank No. #1
Prestone AF-1420 Antifreeze/Coolant Tester
  • Easily tests for anti-freeze/anti-boil protection
  • Allows visual inspection for rust and sediment
  • Provides a quick and easy method to safely collect a sample and measure coolant concentration
  • Helps in ensuring good corrosion protection
  • Assists in preventing freeze-ups and boil-overs
Rank No. #2
OEM TOOLS 24507 Professional Series Ethylene Glycol Antifreeze Tester,Tests Freezing Point of Antifreeze and Proper Water/Coolant Mixture
  • WORKS WITH YOUR ENGINE HOT OR COLD: Disc-type tester is accurate at all temperatures; Tests your coolant’s freezing point and helps guard against coolant overprotection
  • EASY TO READ: Count the number of floating disks in the coolant tester and compare it to the chart on the body of the tester, which shows coolant freezing temperature in both Celsius and Fahrenheit; Five floating discs means ideal protection
  • PREVENTS OVERPROTECTION: Includes a special 6th disc which shows overprotection and a loss of coolant efficiency due to a bad water-coolant mix; Our antifreeze and coolant tester has you covered
  • SIMPLE AND POWERFUL: Features a clear body that makes it easy to check your coolant for impurities, such as rust; All-in-one coolant tester kit features a simple yet powerful design
  • WORKS ON ANY VEHICLE: Test diesel antifreeze, RV antifreeze, camper antifreeze, marine antifreeze, just about any vehicle's antifreeze coolant with ease with our coolant tester
SaleRank No. #3
Thexton THE106 Anti-Freeze Tester
  • Readings in Celsius and Fahrenheit
  • Number of floating discs measures level of protection
  • Temperature compensating tester is accurate whether coolant is hot or cold
  • Package Dimensions: 5.842 L x 31.75 H x 5.842 W (cm)
SaleRank No. #4
ABN Deluxe Antifreeze and Coolant Tester Hydrometer Tester – Automotive Antifreeze Tester for Ethylene Glycol Coolant
  • EFFORTLESSLY TEST YOUR ANTI FREEZE MIXTURE: Antifreeze, also known as coolant, is designed to prevent water from freezing up in cold climates and to prevent your engine from overheating which can cause mechanical breakdowns and engine failure; Avoid these issues by testing your coolant mixture with the ABN Deluxe Car Antifreeze Coolant Test Kit
  • BUILT TO LAST: Constructed of premium plastic and rubber materials, this antifreeze tester is designed to easily test freezing and boiling temperatures of your coolant to water solutions; The large rubber bulb and 5.5-inch (14 cm) rubber tube makes it easy to suck liquid into the small plastic reservoir; Easy to read stickers allow you to test the solution and provides instructions; Flush out with water after each use for accurate readings
  • CLEAR TESTER FOR VISUAL INSPECTION: As a bonus, the clear reservoir allows you to inspect the condition of the antifreeze in your vehicle; Easily inspect color and for any rust, sludge, or other sediments
  • EASY TO READ HYDROMETER SCALE: The clear capsule contains sensitive pointers that measure the freezing and boiling points of the liquid in both Celsius and Fahrenheit; These pointers are easier to read than standard coolant test strips because you do not need to focus on the color or PH balance to understand the freeze and boiling points of your solution; One side of the tester is labeled with freeze point scale while the other side is labeled with boiling point scale
  • COMPATIBLE WITH ALL ETHYLENE GLYCOL ANITFREEZE: Works with all ethylene glycol coolants including GM Dex-Cool; This tester provides immediate results on the freezing and boiling points of your coolant to water mixture; Use vehicle manual and geological location to decide on the best ratio for your vehicle
Rank No. #5
Performance Tool W1654C Pro Anti-Freeze Tester
  • Easy to read scale & pointer
  • Freezing to boiling points for anti-freeze, calibrated in °C and °F
Rank No. #6
Antifreeze Refractometer Displaying in Fahrenheit for Checking Freezing Point of Automobile Antifreeze Systems and Battery Fluid Condition. Battery Acid, Glycol, Coolant, Antifreeze Tester
  • Function 1: Measuring freezing point of automobile antifreeze based on ethylene glycol or propylene glycol. Scale Range: ethylene glycol based: 32 to -84 degree F, propylene glycol based:32 to -60 degree F.
  • Function 2: Measuring specific gravity of battery acid and provide a quick reference of battery charge condition. Scale Range:1.100~1.400kg/l for Battery fluid.
  • Features automatic temperature compensation: makes it even easier to get fast results.
  • Instant Reading Result: Just need 2-3 drops of solution and a few seconds, you can get accurate readings.
  • Durable and Easy to Use & Carry -- The main part is made of chromium, it's light but durable.
Rank No. #7
Antifreeze Refractometer 4-in-1 Car Coolant Tester Battery Refractometer for Checking Freezing Point of Automobile Antifreeze Systems Battery Fluid Condition, Glycol, Coolant, Antifreeze Tester
  • 4 IN 1 Function: ●Measuring specific gravity of rechargeable battery acid: 1.100~1.400kg/L, ●and freezing point of automobile antifreeze based on ethylene glycol or propylene glycol : 58℉ to 32℉/-50 to 0 ℃, ●windshield wash Fluid (SRF1): -40℉ to 32℉/ -40 to 0 ℃, ●Adblue the Urea Concentration in automobile diesel exhaust fluid (DEF) :30% to 35%
  • Quick& Easier Measuring: Just 2 or 3 drops and wait for few seconds, then get the accurate reading. The antifreeze tester is same accuracy as a expensive one but more affordable. Less samples than a traditional Hydrometer.
  • Automatic Temperature Compensation: The antifreeze coolant tester with ATC function can automatically compensated when ambient temperature changes, excellent eliminate the deviation, quickly and easier get the precise readings.
  • Portable & Durable: This antifreeze tester is made of non-staining aluminum and ABS rubber, durable and resistant to abrasion. Lightweight and convenient to carry and easy to use.
  • Car Owners’ Helper: The optics antifreeze test is a convenient tool can help you to check your automobiles’ battery fluid battery acid, antifreeze coolant, windshield water fluid and Adblue to protect your cars.
Rank No. #8
ATD Tools 1106 Professional Antifreeze and Coolant Tester
  • Easily checks condition of antifreeze and coolant
  • Works for all ethylene glycol coolants, including GM Dex-Cool
  • Tough, shatter-resistant clear housing
  • Simple to use
Rank No. #9
Antifreeze Refractometer Displaying in Fahrenheit for Checking Freezing Point of Automobile Antifreeze Systems and Battery Fluid Condition. Battery Acid, Glycol, Coolant, Antifreeze Tester
  • Function 1: Measuring freezing point of automobile antifreeze based on ethylene glycol or propylene glycol. Scale Range: ethylene glycol based: 32 to -84 degree F, propylene glycol based:32 to -60 degree F.
  • Function 2: Measuring specific gravity of battery acid and provide a quick reference of battery charge condition. Scale Range:1.100~1.400kg/l for Battery fluid.
  • Features automatic temperature compensation: makes it even easier to get fast results.
  • Instant Reading Result: Just need 2-3 drops of solution and a few seconds, you can get accurate readings.
  • Durable and Easy to Use & Carry -- The main part is made of chromium, it's light but durable.
Rank No. #10
Antifreeze Refractometer - 3-in-1 coolant Tester for Checking Freezing Point, Concentration of Ethylene Glycol or Propylene Glycol Based Automobile Antifreeze Coolant and Battery Acid Condition
  • Function 1: Measuring freezing point temperture of ethylene glycol or propylene glycol based automobile antifreeze coolant. Scale range: ethylene glycol base: -84°F-32°F, propylene glycol based -60°F-32°F
  • Function 2: Measuring concentration of ethylene glycol or propylene glycol based automobile antifreeze coolant. Scale Range: ethylene glycol base: 0-70% propylene glycol based 0-63%
  • Function 3:Measuring specific gravity of battery acid and provide a quick reference of battery charge condition. Scale Range:1.100~1.400kg
  • ADVANCED AUTOMATIC TEMPERATURE COMPENSATION(ATC)TECHNOLOGY: Adjust Automatically to Compensate for Temperature, Which makes it even easier to get fast results.
  • PORTABLE ANTIFREEZE REFRACTOMETER: Easy to use, sturdy design, compact in size and light in weight, convenient to keep up and carry around

Last update on 2021-01-28 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

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