DONT USE TAP WATER!
If you truly care for your radiator use this:
A)Commercial distilled bottled water
-or-
B)Lab grade deionized water
Both are cheap and avoid possible sendimentization of the cooling system.
If you truly care for your radiator use this:
A)Commercial distilled bottled water
-or-
B)Lab grade deionized water
Both are cheap and avoid possible sendimentization of the cooling system.