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Why not Car Coolant? - Page 4

post #31 of 79
isn't car coolant poisonous?
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post #32 of 79
yea,tastes sweet but its not nice!
before i changed up the mix,i turned the computer and chiller on but temps flew up to 64c!
turns out the liquid had froze on the edge of the return tube,so no coolant would flow.
I sucked on that tube like it was a bong then realised it was antifreeze i was imbibing :yuk:

Not my sharpest moment....
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post #33 of 79
Thread Starter 
Quote:
Originally Posted by MightyMission View Post
yea,tastes sweet but its not nice!
before i changed up the mix,i turned the computer and chiller on but temps flew up to 64c!
turns out the liquid had froze on the edge of the return tube,so no coolant would flow.
I sucked on that tube like it was a bong then realised it was antifreeze i was imbibing :yuk:

Not my sharpest moment....
hahaha, good that you are still alive
    
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post #34 of 79
It wasn't that bad,i didnt inhale ahem.no its fine i just used half a bottle of mouthwash trying to get rid of the nasty feeling in my mouth
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post #35 of 79
Quote:
Originally Posted by AMC View Post
isn't car coolant poisonous?
only if you chug it...
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post #36 of 79
Thread Starter 
Quote:
Originally Posted by MightyMission View Post
It wasn't that bad,i didnt inhale ahem.no its fine i just used half a bottle of mouthwash trying to get rid of the nasty feeling in my mouth
hahaha, so you know that it tastes sweet though.
    
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post #37 of 79

absynth was worse and i drunk that willingly
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post #38 of 79
Just so it's clear for other's reading this thread, there is nothing wrong with using auto coolant, and as most have anti corrosion additives included, they definitely should be considered for those who use mixed metals in their loop or those who want a little color in the coolant without staining their loop.

The only real issue, as has been mentioned, is that auto coolant does not have the same thermal transfer abilities as water, so your loop will run a few degrees hotter running auto coolant then if you were to run straight distilled water.

Saying that, most who still run auto coolant run it at pretty low mixes to improve thermal transfer anyhoo. And some also add water wetter to improve their autocoolant mix's thermal transfer ability to make it closer to the performance of distilled water alone.

At the end of the day, the only reason NOT to use auto coolant comes down to one simple question:
1. Are you chasing the bleeding edge overclock for daily use?

If you are not chasing the bleeding edge overclock for daily use, then a autocoolant mix will be perfectly fine and will cause you much less headaches then using distilled water and having to deal with cloudy loops, corrosion, gunk buildup, etc, and needing to flush the loop every few months.

If I can be bothered, I'll do a few runs with distilled water + silver kill coil vs different autocoolant/distilled water mixes to show that the temp difference is so negligable that the benefits of using autocoolant outweighs the negatives. From tests I did a few years ago, the difference was barely measurable - like ~2C at max load and pretty much identical at idle.


Edit: Just found THIS shottout on bit-tech. Which shows the negligable difference in loop temps
Edited by un-nefer - 5/27/11 at 1:14am
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post #39 of 79
car coolant is distilled water and anti-freeze....

and u dont need anti-freeze..

DOH!
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post #40 of 79
Quote:
Originally Posted by un-nefer View Post
Just so it's clear for other's reading this thread, there is nothing wrong with using auto coolant, and as most have anti corrosion additives included, they definitely should be considered for those who use mixed metals in their loop or those who want a little color in the coolant without staining their loop.
You don't need any of those additives, only biocide; and only if you're mixing copper and aluminum in the same loop should you worry about a corrosion inhibitor, otherwise it's pretty much useless. Also read this:

Quote:
Originally Posted by sivyr View Post
On another subject, mostly because I don't think anyone has really made this clear... Water is the best coolant you can use in a liquid cooled PC. There is nothing better. Try as you might to fight one that is engineered to perfection, water beats everything hands down.

So why is it that these coolants exist? A combination of marketing and people who figure that "x coolant is used by NASA on the Space Shuttle!" and therefore that coolant must be more effective than water. They never are. Most specialized coolants exist to perform in circumstances where water can't be used.

For example, antifreeze (water + propylyene glycol) is used as a coolant in cars because in the winter, you don't want the coolant to be frozen in the lines when the car starts up. Not because it's a more effective coolant. The glycol dilutes the water's effectiveness as a coolant but it's used because the circumstances of use require it.

These special circumstances don't exist in PC cooling. Your water will be between 15c and 60c regardless of what you do, and this range doesn't require special additives. You are better off using straight water with a tiny bit of some biocide to make sure microbes don't grow in your loop, and that is all.

So, to reiterate. This isn't just people telling you to save your money and "settle" for water. They're telling you to use water because it is better than whatever x coolant you're proposing, because we've seen them all. They never stack up to natural H2O.
Quote:
Originally Posted by un-nefer View Post
Edit: Just found THIS shottout on bit-tech. Which shows the negligable difference in loop temps
That's quite old and newer tests like Skinnee's show distilled IS best for the money when it comes to temps. http://www.overclock.net/water-cooli...tout-test.html
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