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Old 11-27-2011, 10:34 AM   #1
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Strange question

I've spent a lot of hours over the last few weeks looking at a lot of posts on the forum. Been to see a lot of links (tests, videos etc...)

So here is the strange question :

Is it possible to replace the water in a watercooled loop with mineral oil?

I have seen whole PC's submerged in oil (so no danger in case of a leak)
I am wondering if this has been tried before.

Would the oil be as efficient as water to cool the CPU?
I think a pump would have to be very sturdy as the oil would be thicker than water.

What do you guys think on the possibility of doing this?

Last edited by Granger; 11-27-2011 at 10:36 AM. Reason: spelling mistake
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Old 11-27-2011, 12:18 PM   #2
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I really doubt that that would work well. You'd have to have a sturdy pump and some method of chilling the oil (Making it thicker and harder to pump) or a giant reserve for it to cool in.

Once the oil gets on the stuff it'll be very hard to remove and can damage connections if it gets on em. Distilled water isn't conductive (What you add in loops) but additives and minerals from the blocks can make the water conductive.
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Old 11-28-2011, 11:13 PM   #3
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Yes it's possible but I don't recommend it.. especially if oc'n. If you're that concerned about conductivity then maybe look into Fluid XP. It becomes conductive over time but if you change it every 6 months or so you should be fine. http://fluidxp.com/

No.. oil won't be as efficient as water. It doesn't hurt to try it though, if it doesn't work out then just clean the loop good with a heavy duty citrus degreaser like ZEP. It actually doesn't take that much pump. One of my customers used a pump rated for 400 gph/ 8.2' max head pump, 25W. This was with a quiet sub-ambient oil chiller with temp set at 20c. I would go a little stronger though for your application.

If you plan on oc'n then I would avoid the oil. Go with Fluid XP or the traditional route of distilled water + anti corrosion/algae additive.
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