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Anyone experienced with mixing antifreeze into the coolant?

post #1 of 23
Thread Starter 
If so, which antifreeze chemicals or brands, which proportions, and what tubing have you had good results with?
post #2 of 23
I've tried several different mixes and after all these years the original advise I was given works best, distilled water and silver coils.
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post #3 of 23
No reason to use it unless your using an aggressive water chiller. If for some reason you must, we used water wetter back in the dark ages of water cooling.
post #4 of 23
I use antifreeze, normally premixed as it's something i've easy access to.

The blue coloring can gunk up the loop over a long period, but aside from this, i can't really fault it. At least i could run it below freezing temperatures. Lol. (Here in the UK, most antifreeze is colored blue)

If you wanna be a purist (cwutididthar) about it, distilled water and a killcoil - as mentioned - is best.
Edited by Thingamajig - 1/24/13 at 8:06pm
post #5 of 23
Car antifreeze will do you no good. Ethylin Glycol is not good at conducting heat. They put it in cars so the water doesnt freeze and also to prevent corrosion.

Unless you are going to put your rads outside below zero you dont need anti freeze.
Unless you start mixing metals in your loop, which will corrode, you dont need antifreeze.
But if you still want antifreeze in there, look to Mayhem products. XT-1 (or something like that) is their antifreeze made especially for water loops.
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post #6 of 23
Completely pointless. Antifreeze just lowers the freezing point and increases the boiling point of water so unless your loop is going to be running at below 0C and above 100C it's completely useless. It's not a better heat conductor than water it's merely an additive, distilled water is still the best thumb.gif
post #7 of 23
Quote:
Originally Posted by hirolla888 View Post

Completely pointless. Antifreeze just lowers the freezing point and increases the boiling point of water so unless your loop is going to be running at below 0C and above 100C it's completely useless. It's not a better heat conductor than water it's merely an additive, distilled water is still the best thumb.gif

Distilled water on it's own is still no good though.

Personaly I run deionized water+10% red coolant myself just to avoid any corrosion in the loop, I know someone who has ran same stuff for a year now without issues and no additives at all, only reason I am running it myself atm.
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post #8 of 23
Thread Starter 
Quote:
Originally Posted by Linkdead View Post

No reason to use it unless your using an aggressive water chiller. If for some reason you must, we used water wetter back in the dark ages of water cooling.

Actually, my loop will include titanium, and I'm not yet sure whether that will pose a corrosion risk for other metals in the loop. (Started another thread on that topic a few hours ago. So far have NOT heard that titanium in the loop won't pose a problem.) So to be on the safe side, I am interested in the anticorrosive properties. And I will be running a chiller aggressively -- no rads.

Quote:
Originally Posted by PepeLapiu View Post

Car antifreeze will do you no good. Ethylin Glycol is not good at conducting heat. They put it in cars so the water doesnt freeze and also to prevent corrosion.

Unless you are going to put your rads outside below zero you dont need anti freeze.
Unless you start mixing metals in your loop, which will corrode, you dont need antifreeze.
But if you still want antifreeze in there, look to Mayhem products. XT-1 (or something like that) is their antifreeze made especially for water loops.

Yes, I understand that when you put anything into water, you reduce its thermal conductive properties.
http://www.overclockers.com/pc-water-coolant-chemistry-part-i/
http://www.overclockers.com/pc-water-coolant-chemistry-part-ii/

However, I think the arguments against using ethylene glycol as an additive to distilled water in a loop based on its negative effects on thermal conductivity are overdrawn. At least a couple of studies have shown that the difference between loops with distilled water and those with Feser One (which as I understand it, according to the Materials Safety Data Sheet, contains up to 20% ethylene glycol in water) is just a matter of a few degrees (single digits) Celsius.
http://skinneelabs.com/coolantfluid-roundup-thermal-performance/3/
http://www.bit-tech.net/modding/2008/02/16/watercooling_fluid_shootout/4
post #9 of 23
Just use antifreeze itself. Why mix it with other coolants as it itself is a coolant. If you are doing extreme cooling (like running your rig in sub zero temps), then use antifreeze. Otherwise stick with distilled water and kill coils. They work the best. Also, you don't mix coolants. Bad juju happens when you do that because you can get chemical reactions within your loops.
 
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post #10 of 23
Quote:
Originally Posted by quipers View Post

Actually, my loop will include titanium, and I'm not yet sure whether that will pose a corrosion risk for other metals in the loop. (Started another thread on that topic a few hours ago. So far have NOT heard that titanium in the loop won't pose a problem.) So to be on the safe side, I am interested in the anticorrosive properties. And I will be running a chiller aggressively -- no rads.
Yes, I understand that when you put anything into water, you reduce its thermal conductive properties.
http://www.overclockers.com/pc-water-coolant-chemistry-part-i/
http://www.overclockers.com/pc-water-coolant-chemistry-part-ii/

However, I think the arguments against using ethylene glycol as an additive to distilled water in a loop based on its negative effects on thermal conductivity are overdrawn. At least a couple of studies have shown that the difference between loops with distilled water and those with Feser One (which as I understand it, according to the Materials Safety Data Sheet, contains up to 20% ethylene glycol in water) is just a matter of a few degrees (single digits) Celsius.
http://skinneelabs.com/coolantfluid-roundup-thermal-performance/3/
http://www.bit-tech.net/modding/2008/02/16/watercooling_fluid_shootout/4

So you gain "a few degrees" by using 20% E.G.
You would argue that is a small drawback of using antifreeze.
What would the anvantage(s) be, if any?
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