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Mixing Coolant - advice needed

T

TechJeff

Limp Gawd
Joined
Mar 25, 2009
Messages
185
I have a 150ml res and was wondering about how much distilled water to coolant I should use. The bottle of coolant I have is 250ml and it doesn't state how much to use. Should I just add distilled water to the res about 50% and fill the rest with coolant or mix more or less of one or the other?

Thanks for any tips.
 
What 'coolant' are you referring to?

I'm running just distilled water with a kill coil.
 
I personally run 7 parts distilled water to 3 parts prestone low tox antifreeze. I use a 1000 ml scaled bottle for setting my ratio.
 
Because galvanic corrosion is always happening when 2 different metals are put together. The only way you can truely stop it is by adding a chemical the coats the metal with a protective barrier, antifreeze. And since I don't want to have to flush out my system every 3 months to make sure the water stays 100 pure, I run antifreeze.

Here is a web page that will even explain the min anodic index value per enviroments.

http://www.corrosion-doctors.org/Definitions/galvanic-series.htm
 
That's a really handy page. Unless you have aluminum in your loops though, the antifreeze along with the distilled water is uneccessary. Copper, brass, nickel and even some stainless steels are all close enough in the galvanic series to have minimal reaction. You're far more likely to have oxidation issues with the direct impingement on copper blocks than you are to have any galvanic corrosion.

Run what makes you happy though!
 
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