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Deionized Water Submerged PC - Page 2

post #11 of 22
Why would you bother with water? If you want to do submerged cooling, use mineral oil. Sure, it doesn't cool as well as water, but it does a decent job, and doesn't negatively affect any of the components. Hardcore computer uses a standard water cooling setup, with tubing, rad, and blocks, but uses mineral oil and then uses the entire case as the reservoir, so the memory and misc gets cooled too. With a high-flow pump, large-diameter tubing, etc, you should get similar cooling on the CPU, etc, and improved memory and misc cooling, plus no risk of damage from a leak. Plus it is far cheaper than even attempting submerged water.
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post #12 of 22
Just use liquid nitrogen. Then you have zero oxidation problems and way colder temps. Its cheap too, probably almost as cheap as DI water if you can find a lab that will sell it to you on the side. Look into it!
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post #13 of 22
Quote:
Originally Posted by nmdehaan;13681308 
Just use liquid nitrogen. Then you have zero oxidation problems and way colder temps. Its cheap too, probably almost as cheap as DI water if you can find a lab that will sell it to you on the side. Look into it!

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post #14 of 22
Quote:
Originally Posted by anarhistor;13652492 
But why mate? I still believe is just a matter of the substance used. As longs as it's stable in water and it does not act as a super heat insulator it should work. The problem is finding this. I've research a loot of urethane lacquers and some seem up to the job. But off course is a matter of trial and error here. Like an old P4 platform waiting to be sacrificed. smile.gif

The difficulty here is ensuring you got a even coat that covered everything. Also water and caps dont mix, and capacitors can be tricky to conformal coat (Solid caps might be ok).

If you are going to do this, get a coating that you can submerge the board in, as that is easier to get a complete coat. Spray coatings would be very hard to get all of the nooks and crannies that a motherboard has.
post #15 of 22
Honestly...
look up doing this on the internet...
see what the professionals have done when doing this.
    
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post #16 of 22
Honestly...I did. But it seams my Google-ing is not so god lately and did not find any smile.gif
Anyway, this is not a project that I am going to try in the near future. I like the idea though.
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post #17 of 22
Quote:
Originally Posted by xtremetechuk;12647116 
Hi Everyone,

I understand that deionized water becomes conductive through contamination from electronics. However could I prevent deionized water from becoming electrically conductive through using a filter system, or possibly through the use of additives.

3m makes a relatively inert, non conductive fluid that you can submerge electronics in. I'm currently messing about with mineral oil for the same purpose.
post #18 of 22
Even de-ionized water conducts electricity.

Simple chemistry really. Regardless of any dissolved solids being removed, water will still dissociate (in very small amounts) to form hydronium and hydroxide.

H2O --> H3O+ + OH-

This small amount of dissociation will make water conductive. Also, water will be contaminated with dissolved solids over time.
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post #19 of 22
Euhm everything has its resistance, so yes the puriest of pure H20 dissociates, but even air can conduct.
post #20 of 22
Thread Starter 
My face palm worthy thread. doh.gif

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