Which coolant

[Richard]

My whole life been lazy regarding distilled in a radiator. Never had one fail due to corrosion. Maybe I am lucky, usually not. Distilled water is contaminated as soon as it is opened and poured into the system. There are actually articles out there saying distilled water is missing things so it tries to take them from areas it contacts actually causing corrosion. Do not understand the need for a ground. Water conducts electricity. Waterless coolant is for track use. No other reason to use it.