Water… Distilled? Purified? Hose??

Don't use dexcool, it doesn't mix well with others. My PT has had hoat in it for years. Black one gallon jug. Bought from the Chrysler dealer. About $25 a decade ago. Its a peach color. It still looks like new in the plastic overflow tank. The engine is cast iron with an aluminum head.

That chart may be wrong. I saw a new 2015 Chrysler 200 in the showroom and it had purple colored coolant in it. ???