The realization you didn’t protect your engine from freezing temps comes with a moment of truth: It could be that the engine froze but the casting plugs did their job, requiring you to simply hammer ...
Kernco Instruments Co Inc's Model 1016 battery/antifreeze tester is a hand-held refractometer designed to indicate specific gravity, freezing point temperature, Kernco Instruments Co Inc's Model 1016 ...
Prestone Products Corp. announced it has heavy-duty test kits, test strips and a refractometer for antifreeze/coolant analysis, offering convenience in checking the status of protective fluids.
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