TRZ 4 in 1 Antifreeze Refractometer Ethylene Glycol, Propylene Glycol in Antifreeze Freezing Point Temperature and Concentration, AdBlue, DEF and Industrial Battery Fluid sold2025 These speed nuts are made B0DK1NFLD9 These speed nuts are made of stamped spring steel and are meant for spaces with minimal clearance Self Adhesive Stickers You Peel and Stick Testing antifreeze Homemade antifreeze based on freezing point Homemade antifreeze based on concentration percentage Detecting battery fluid Detecting ADblue fluid Homemade adblue Read more TRZ Refractometer RHA 100 ATC TRZ Refractometer RHA 505F ATC Ethylene Glyco 84°F~32°F 60°F 32°F 0 70% VOL Propylene Glycol 60°F~32°F 60°F 32°F 0 63% VOL AdBlue 30% 35% 30% 35% Battery S But we do not recommend measuring these liquids for a long time