EZ Red Washer Fluid Hydrometers

EZ Red washer fluid hydrometers are a simple, reliable tool designed to accurately test the freeze protection level of methanol based windshield washer fluid, helping ensure safe visibility in cold weather conditions. Built with automatic temperature compensation, it delivers direct, accurate readings without the need for manual corrections, even when fluid temperatures vary. The hydrometer features easy to read Fahrenheit and Celsius scales and covers a wide testing range, allowing technicians and DIYers alike to quickly verify fluid protection before freezing conditions become an issue.