Digital Handheld Refractometer Antifreeze Tester Portable Brix Beer Refractometer Battery Electrolyte Wiper Fluid Automatic Temperature Dual Scale US$12.00-14.00 100 Sets (MOQ) Product Details Customization:
If you are using a hydrometer to check the concentration of antifreeze in the coolant, keep in mind that the specific gravity of conventional EG antifreeze is different from that of PG (which has a density close to water). So if someone has added the "less-toxic" PG antifreeze to the co...
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Bypanda2006— On Dec 26, 2010 @DentalFloss, I didn't know these existed either, though I think that is because I know so little about automotive things in the first place. I can see why it would be handy to have an antifreeze coolant tester, though, if you live somewhere cold or ev...