Re: [ALUG] Could you build a water cooled PC? - main

11 Jun 2011

      On the subject of mineral oils, i am sure most people have already
seen this, but it is still cool, especially if you like Bioshock
http://imgur.com/a/jYv3X
Ricky
On Sat, Jun 11, 2011 at 8:11 PM, Matthew Green
matthew.j.green@ntlworld.com wrote:
...
Yeah, you can go for cooling fluids which are basically distilled water with
additives (Which is what I've gone for). But the only options for proper
non-conductivity are mineral oils (which can be a bit viscous) or another
option is Fluronert by 3M which was used by Cray, but that's more expensive
than fine champagne.
-----Original Message-----
From: main-bounces@lists.alug.org.uk [mailto:main-bounces@lists.alug.org.uk]
On Behalf Of Wayne Stallwood
Sent: 11 June 2011 17:36
To: main@lists.alug.org.uk
Subject: Re: [ALUG] Could you build a water cooled PC?
...
...
Distilled water *is* virtually non-conductive.  It's only the salts and
impurities in tap water (and/or river water etc.) that make it
moderately conductive.
It's not only the salts. There is some natural ionisation that will
result in free H+ and OH- ions. You can't really escape that so even
mineral free ultra pure water in a perfectly sealed sterile container
(of a material that won't release minerals as the water desperately
tries to leach them) will still be *slightly* conductive.
Also pretty much as soon as it came into contact with the guts of a PC
it will absorb enough minerals to become conductive rather quickly if it
hadn't already done so in the cooling loop of a cheap Watercooling system.

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