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Non-conductive fluid

Technically distilled water is non-conductive, hence why it is used in water cooling systems. I'm not sure if mineral oil would be good for the pump or other components, but I'm guessing it would have reduced flow compared to plain old distilled water.
 
I was under the impression that distilled water isn't 100% non-conductive and either way, it will eventually become conductive as ions transfer into it from running through your loop. I bought some bi-distilled "non-conductive WC water" crap and read later that it's overpriced and doesn't do anything different than a $2 gallon of distilled water.
 
not to mention the heat capacity of mineral oil is much less then that of water, so your radiator and water blocks will be much less efficient at equal flow rates, vs water.

deionised water is regular water with mineral ions (salts) removed. distilled water is even more pure, with smaller particles like bacteria and other minerals removed. both are nearly completely non-conductive. they only become conductive when contaminated with dust, minerals or algea in your loop.

special non-conductive fluids have the exact same characteristics of distilled water, except they dont transfer heat as well as pure water, and they cost 10x more. they also have the added bonus of leaving a sticky film on everything they touch and they dont evaporate. so if you get some on your motherboard, you need to spend an hour cleaning it with a q-tip. distilled water you can just let dry.
 
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MasterShredder said:
I was under the impression that distilled water isn't 100% non-conductive and either way, it will eventually become conductive as ions transfer into it from running through your loop. I bought some bi-distilled "non-conductive WC water" crap and read later that it's overpriced and doesn't do anything different than a $2 gallon of distilled water.
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100% pure distilled water is completely non-conductive, but like you said, it does become slightly ionized over time. I recall reading up on this quite a bit a year or two ago, and the general consensus was that maintaining a truly non-conductive fluid in a water cooling loop is essentially impossible. It's just the risk involved with water cooling electronic components. All I can say is proper leak testing, using quality components, and having a watchful eye will all but eliminate the chance of water coming into contact with electrical components.
 
I run a bottle of Non conductive fluid (Koolance) and the rest distilled water. Kills the algea and keeps it clear. You just want to make sure you build your loop right. Make sure everything is tight and run it on a seprate power supply for a day and check for leaks. Using color fluid and some white towles to run around all your fittings works best to check for leaks. What I have always done for about 10 years now. And I always try to use compression fittings.
 
And I always try to use compression fittings.
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More of a cosmetic than functional thing. Not any safer than barb + worm drive clamp.

I run a bottle of Non conductive fluid (Koolance) and the rest distilled water.
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Still conductive in the end.

You just want to make sure you build your loop right. Make sure everything is tight and run it on a seprate power supply for a day and check for leaks.
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In the end, this is the best advice.
 
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Cruiza said:
Technically distilled water is non-conductive, hence why it is used in water cooling systems. I'm not sure if mineral oil would be good for the pump or other components, but I'm guessing it would have reduced flow compared to plain old distilled water.
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Yea that's what I thought I just had to ask.
 
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