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[Help needed!][Buildlog] Nocturnal! A dark rebirth... with watercooling! - Page 5

post #41 of 42
Thread Starter 
It's been a long time since I did something on my rig, so a few days ago I decided to change the tubing and go clear with the Mayhems Aurora coolant, along with some led lights to brighten the whole case.

With the occasion, I took the chance to open all my blocks and give'em a good clean.
As I opened the GPU block... the horror devil.gif

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I can already tell you that the white dust you see is the plasticizer coming from the Primochill Pro tubing, which is known to cause this problem. But that corrosion? You can clearly see the green copper oxide and some parts where the nickel came off leaving the bare copper beneath exposed.

I admit I kept the loop running without flushing for at least 1 yr, but I don't think it's a good reason enough for such a bad corrosion. I only ran on distilled water and silver coil for the algae (could this be a source for galvanic corrosion?).

Anyway, I managed to clean what I could from the block and reassembled it. The CPU block was nowhere close to this condition, no plasticizer, only a shade of copper-colored stains on the sides. Pump was perfect, as the rad was.
Oh yeah, the compression fittings had some leftovers (looked like calcium/limestone, who knows) which I've been able to remove with water and a toothbrush.

What do you think this is due to? Any input you can give me is greatly appreciated!
post #42 of 42
Thread Starter 
Bump!
Anyone? I really need a few insights from someone that knows more than I do about WC. Thank youuu thumb.gif
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