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General Liquid/Water Cooling Discussion For discussion about Full Cooling System kits, or general cooling topics. Keep specific cooling items like pumps, radiators, etc... in their specific forums.

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Unread 08-21-2002, 11:11 PM   #1
Daleorama
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Default Corrosion prevention

I've been reading the forums, and I've seen a couple of things that I wanted to comment on. I've noticed that some people use Water Wetter or Purple Ice additives in their water, but no automotive antifreeze. These additives were meant to work with antifreeze. In fact, your best defense against corrosion is antifreeze. The additives only enhance it a bit. I know it reduces the water's thermal properties, but I think adding a bit of antifreeze is worth it to avoid corrosion which may eventually degrade the metals or maybe deposit gunk and clog your system.
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Unread 08-21-2002, 11:41 PM   #2
bigben2k
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Default

We've been over this before, but I guess you missed it!

Anti-freeze is mainly composed of a glycol, wether it's propylene glycol, or ethylene glycol. Both do well, but are really designed to work in an environment where the coolant temperature is around 200 degrees, which is not our case...

30 degrees C is about average for water temp in a rig.

The additives is all we really need: adding anti freeze would only degrade the cooling ability of the water.

On the other hand, if you were cooling the coolant to a very low temperature (near freezing) then it's a whole other ballgame, where the glycols don't do well at all.

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