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Test the quality of windshield washer fluid with this windshield washer hydrometer. The hydrometer tests methanol on a temperature scale from -50°C to 0°C (-58°F to 32°F). The easy to read tester produces results in Fahrenheit and percentages.
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Provides easy visual inspection that identifies if the acids or solutions are in proper state.
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Tests methanol on a temperature scale from 32°F to -58°F.
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Made of plastic with rubber squeeze bulb that can extract up to 4oz.
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