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Which Cooling medium to use??

post #1 of 8
4/11/12 at 12:47am
Thread Starter 
Hey guys im looking at building my first rig and im wondering if there would be any advantages on using Paratherm NF found here

http://www.advantageengineering.com/fyi/150/advantageFYI150.php

or shall i just stick with water.

I was thinking of using this because its non conductive, dosnt need additives, and has great thermal properties. Any ideas thanks.
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post #2 of 8
4/11/12 at 12:54am
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ocn really knows water,
we can help you with that any-time, so i'm sorry i cant really answer, someone will no
but i recommend water, based on our knowledge and the resource for water + it wont void all ur warranties depending on the brand thumb.gif
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post #3 of 8
4/11/12 at 1:19am
Quote:
Minimal Optimal Temperature : 120°F (49°C)

That's going to leave it pretty unsuited to pc cooling, in most loops you see the coolant ~10C higher than ambient at peak, and far less at idle. In a PC, it's going to be rather thick most of the time, not a good thing. Also, keep in mind that any nonconductive liquid will become conductive after running through a loop for a short period, I believe something like 2 weeks. Distilled water is nonconductive as well, at least until you run it through your loop. I'd stick with water.
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post #4 of 8
4/11/12 at 1:20am
Quote:
Originally Posted by bakageta View Post

I'd stick with water.

+1
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post #5 of 8
4/11/12 at 8:05pm
Yeah, water is the way, that could be dangerous to some material inside many of the loop parts
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post #6 of 8
4/12/12 at 5:18am
In short, what everyone else has said: Use distilled water. smile.gif

If you look at the first graph on the website that you linked to, you can see the viscosity graph. Let's be forgiving and say that it is summer in Nevada and your ambient is a balmy 100degF The chart says that the viscosity is around 10. Now if you look at Wikipedia, roughly convert 100 deg F to around 40 deg C, (assuming there isn't something wonky with the units that I missed) you can see that the viscosity of water is at least a factor of 10 lower.

Wikipedia link

So what does this mean?

A) Your PC is going to operate at a temperature much lower than what that fluid is designed for. At above boiling point temperatures, clearly water wont do the job. Lucky for you, Silicon junctions don't like functioning above 70-80 degC ; well below the boiling point. That fluid is designed to operate above the boiling point.

B) The viscosity is much higher than water at room temperature. You would likely need industrial grade pumping power to move the liquid around a loop and it is possible you could exceed pressure limitations on things such as fittings, reservoirs, radiators, etc.

C) Don't do this. It's a bad plan. Distilled is inexpensive (sub $2 US guaranteed) and has better heat transfer characteristics than most fancy liquids.

Hex.
[ Doesn't know what it would do to all the plastic hosing either... I don't want to find out the hard way for sure. ]
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post #7 of 8
4/12/12 at 5:33am
Since this is your first water cooling setup, I suggest you start with the basics, used distilled water + silver coil (or PT Nuke).. Start with the basics and then figure out the science behind it, once you have done so, You'll realize that the only thing you'd probably ever use is distilled... err I use dyes but that's just because I can't help myself..

There has been plenty of tests and all end result just proved one thing, "combination - ease of use, minimal upkeep, cost... distilled water = one happy loop"...

Only reason you'd need to consider otherwise is if you are mixing copper and aluminium, then I'd ask you.. why would you want to do that ?
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post #8 of 8
4/12/12 at 9:38pm
Thread Starter 
Thanks for the feed back guys, sounds like a no brainer, distilled water it is.
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