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Our radiator coolant tester tests hot or cold ethylene glycol-based coolant, including Dex-Cool. This glycol test kit features easy-to-read discs that are magnified by the convex design of the clear thermal resistant plastic barrel. There are six discs. The first five discs show the freezing point of your antifreeze, and the six disc floats if your antifreeze and water levels are incorrect, resulting in overprotection. The ideal reading is five floating discs, which is a freeze indicator reading of -34F or -37C. You may not be scheduled for your next coolant flush anytime soon, but testing your antifreeze is an important way to ensure it is providing proper protection. The clear body of our coolant test makes it easy to examine your anti freeze for impurities, rust, and debris, which can indicate you need to move up your next engine coolant flush. Our coolant test kit is designed to be simple, easy to read, and super useful. If you're serious about protecting your engine, this simple yet powerful tool is a must-have addition to your toolbox. The OEMTOOLS car antifreeze tester allows for quick visual measurements with the magnifying convex design of the barrel in both Celsius and Fahrenheit scales. Our coolant tester gives you fast and accurate measurements of the freezing and boiling points of your vehicle's coolant to water mixture. Professional disc-type 16-1/4" temperature compensating antifreeze tester remains accurate at all temperatures. Avoid water freezing up in cold climates and prevent engine overheating or failure by testing your vehicle's engine coolant mixture regularly. Features a special orange disc that floats if there is not enough water in the coolant mixture, which results in overprotection of the engine. Above a 70 percent antifreeze concentration, cooling efficiency and corrosion resistance is reduced. Ethylene Glycol Antifreeze Tester





