Are these antifreeze concentration testers reliable? If so, I think I am good for winter : r/MechanicAdvice
![Are these antifreeze concentration testers reliable? If so, I think I am good for winter : r/MechanicAdvice](https://preview.redd.it/are-these-antifreeze-concentration-testers-reliable-if-so-i-v0-4gn4r5tpoxub1.jpg?width=640&crop=smart&auto=webp&s=6fae83693b38c235187d7f3d51e7e37addd72c24)
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Test Antifreeze Coolant Concentration With a Refractometer
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Coolant Tester Accessory,Automotive Antifreeze Tester
![](https://m.media-amazon.com/images/I/71B0GjMkCnL.jpg)
5-in-1 Automotive Battery Antifreeze Refractometer ATC
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Are these antifreeze concentration testers reliable? If so, I
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What oil? Viscosity, manufacture recommendations vs real world
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Here's The ONLY WAY TO KNOW IF YOUR ANTIFREEZE COOLANT IS BAD
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Not sure what to make of this, this is a coolant tester. Since
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My bf put water in the windshield wiper fluid container. Is this a
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New to midwest winters, is cold bad for reliability of car? : r
The antifreeze refractometer can be used for measuring the freezing point of glycol, antifreeze, coolant and battery Acid. It can also be used for
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Antifreeze Refractometer Coolant Tester for Checking Freezing Point, Concentration of Ethylene Glycol, Battery Acid Condition, Freezing Point Meter
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Safe to sleep in an idling car? : r/MechanicAdvice
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How to Test Your Coolant/Antifreeze
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So the block test went well but this is happening, can anyone
EFFORTLESSLY TEST YOUR ANTI FREEZE MIXTURE: Antifreeze, also known as coolant, is designed to prevent water from freezing up in cold climates and to
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ABN Deluxe Antifreeze and Coolant Tester Hydrometer Tester – Automotive Antifreeze Tester for Ethylene Glycol Coolant