how in gods name did you come up with that idea:D?
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i will further that statement to DON'T use ANY of those coolants.
dyes = clogging, breaking down, lots of money, staining tubing.
the best coolant is distilled water plus a biocide like PT nuke or .999 silver plated fittings or silver strips.
if you run mixed metals (aluminum) or want to go below freezing.