![Value Collection - Refractometers; Refractometer Type: Antifreeze/Coolant Tester - 43583889 - MSC Industrial Supply Value Collection - Refractometers; Refractometer Type: Antifreeze/Coolant Tester - 43583889 - MSC Industrial Supply](https://cdn.mscdirect.com/global/images/ProductImages/4358388-24.jpg)
Value Collection - Refractometers; Refractometer Type: Antifreeze/Coolant Tester - 43583889 - MSC Industrial Supply
![Amazon.com: ABN Deluxe Antifreeze and Coolant Tester Hydrometer Tester – Automotive Antifreeze Tester for Ethylene Glycol Coolant : Automotive Amazon.com: ABN Deluxe Antifreeze and Coolant Tester Hydrometer Tester – Automotive Antifreeze Tester for Ethylene Glycol Coolant : Automotive](https://m.media-amazon.com/images/S/aplus-media/sc/b8b5856a-6c3e-4e06-aafb-1c5a6da5ddcf.__CR864,0,3456,3456_PT0_SX300_V1___.jpg)
Amazon.com: ABN Deluxe Antifreeze and Coolant Tester Hydrometer Tester – Automotive Antifreeze Tester for Ethylene Glycol Coolant : Automotive
![Amazon.com: ABN Deluxe Antifreeze and Coolant Tester Hydrometer Tester – Automotive Antifreeze Tester for Ethylene Glycol Coolant : Automotive Amazon.com: ABN Deluxe Antifreeze and Coolant Tester Hydrometer Tester – Automotive Antifreeze Tester for Ethylene Glycol Coolant : Automotive](https://m.media-amazon.com/images/I/61eKvDLO85L._AC_UF894,1000_QL80_.jpg)
Amazon.com: ABN Deluxe Antifreeze and Coolant Tester Hydrometer Tester – Automotive Antifreeze Tester for Ethylene Glycol Coolant : Automotive
![Not sure what to make of this, this is a coolant tester. Since were in summer is this a good result? What is the yellow ball doing? : r/MechanicAdvice Not sure what to make of this, this is a coolant tester. Since were in summer is this a good result? What is the yellow ball doing? : r/MechanicAdvice](https://preview.redd.it/2y7wzo9e84631.jpg?auto=webp&s=73efe0d225ab29afef47b28513c791dc759f502c)
Not sure what to make of this, this is a coolant tester. Since were in summer is this a good result? What is the yellow ball doing? : r/MechanicAdvice
![Amazon.com: ABN Deluxe Antifreeze and Coolant Tester Hydrometer Tester – Automotive Antifreeze Tester for Ethylene Glycol Coolant : Automotive Amazon.com: ABN Deluxe Antifreeze and Coolant Tester Hydrometer Tester – Automotive Antifreeze Tester for Ethylene Glycol Coolant : Automotive](https://m.media-amazon.com/images/I/61WxUOR5lsL.jpg)
Amazon.com: ABN Deluxe Antifreeze and Coolant Tester Hydrometer Tester – Automotive Antifreeze Tester for Ethylene Glycol Coolant : Automotive
![Deluxe Antifreeze & Coolant Tester Hydrometer Tester Automotive Antifreeze Tester Compatible With Vehicle Car - Concentration Meters - AliExpress Deluxe Antifreeze & Coolant Tester Hydrometer Tester Automotive Antifreeze Tester Compatible With Vehicle Car - Concentration Meters - AliExpress](https://ae04.alicdn.com/kf/Hd1f21130ecaf4229a31490582138547a6.jpg)
Deluxe Antifreeze & Coolant Tester Hydrometer Tester Automotive Antifreeze Tester Compatible With Vehicle Car - Concentration Meters - AliExpress
![Deluxe Antifreeze & Coolant Tester Hydrometer Tester Automotive Antifreeze Test Dropship - Concentration Meters - AliExpress Deluxe Antifreeze & Coolant Tester Hydrometer Tester Automotive Antifreeze Test Dropship - Concentration Meters - AliExpress](https://ae03.alicdn.com/kf/Hf2b06601d2764c1c8ea9c649fec1a7e3Q.jpg)
Deluxe Antifreeze & Coolant Tester Hydrometer Tester Automotive Antifreeze Test Dropship - Concentration Meters - AliExpress
![Antifreeze Refractometer for Glycol, Antifreeze, Coolant and Battery Acid. Antifreeze Tester for Measuring Freezing Point of Automobile Antifreeze and Battery Fluid Condition. : Amazon.ca: Automotive Antifreeze Refractometer for Glycol, Antifreeze, Coolant and Battery Acid. Antifreeze Tester for Measuring Freezing Point of Automobile Antifreeze and Battery Fluid Condition. : Amazon.ca: Automotive](https://m.media-amazon.com/images/I/4156tZuEyxL.jpg)