Antifreeze properties of some liquids were known about long before cars were invented.
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There are more than one kind of antifreeze used at different times and for different purposes, which do you want?Alcohol based antifreeze (obsolete)Ethylene Glycol antifreezePropylene Glycol antifreeze (used in potable water systems)etc.
50% water and 50% antifreeze year round.
A 2000 Chrysler Concorde uses red, five year antifreeze.
It's best to top off with the same type of antifreeze. PEAK Long Life 50/50 Antifreeze & Coolant is pre-mixed and protects 5 year / 150,000 miles. It's good for all vehicles regardless of make, model, year and color of original antifreeze. - PEAK Automotive; peakauto.com
A 2008 Jeep uses red, five year antifreeze.
A 2006 Jeep uses red, five year, HOAT antifreeze.
According to Ford a 50 / 50 mix of antifreeze and distilled water is required year round because the antifreeze also provides corrosion protection ( do not drop below 40 % antifreeze or exceed 60 % antifreeze ) Also , the corrosion protection additives in the antifreeze do " wear out "
A 2003 Ram uses red, five year antifreeze.
A 2006, Chrysler uses red, five year, HOAT antifreeze. It is not Dexcool.
It depend's on what type and year vehicle you are driving. some of the gm model's have a lifetime antifreeze that is orange in color.