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Green "stuff" growing around block outlet/barb - Page 2

post #11 of 18
I got some AquaComputer GFX waterblock used that had that in them it is definitel a sign of glavanic corrosion.

My advice: disassemble the GFX waterblocks and inspect closely...my guess is that some thing in there is a disisimilar metal.

It does not have to be aluminum--any dis similar metals will react, The stuff you linked does not prevent galavanic reaction...

My guess is you will find pitting and corrosion on some area...my blocks were junk and totally clogged the stuff.

EDIT: I also get a tiny bit of this on the Danger Den FilPorts.. the screw in plug and the anodized aluminum react--there is not enough flow there to break it up I guess.
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post #12 of 18
I too am guessing you have a seal going. Fix it now before it goes. Even though MCT 5 is non conductive, the dust it combines with isn't and can still fry your gear.
    
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post #13 of 18
Thread Starter 
It's an all copper loop, so I don't see how it could be corrosion. Also, it only happens on that particular spot and no where else. I'm leaning towards the loose fitting idea, since that seems more logical.
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post #14 of 18
Yeah I think thats all you have going on is a small weepy leak..If its not your blocks will be pitted up when you take it apart for cleaning it will be easy to tell...

I saw this linked at another place...Pretty good it shows the least noble to the most noble metals in a chart form...Once again showing how really crappy aluminum is to use in a WC'ing loop..


....Galvanic Corrosion Guide
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post #15 of 18
I've been flushing about every two weeks because I just can't seem to leave well enough alone..

PTnuke is good stuff, I feel much better putting a few drops in there.
    
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post #16 of 18
Thread Starter 
Off topic question. With all the talk about galvanic corrosion and what not, I got a bit concerned when I ordered this for the new T-line I plan to install to replace my res. Kinda' silly question, but that shouldn't cause any problems with my copper loop no?
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post #17 of 18
Quote:
Originally Posted by Melcar View Post
Off topic question. With all the talk about galvanic corrosion and what not, I got a bit concerned when I ordered this for the new T-line I plan to install to replace my res. Kinda' silly question, but that shouldn't cause any problems with my copper loop no?
No because it's not in contact with the water, should be fine even if the top is machined aluminum/derlin mix.

EDIT: looks to me like it's all Derlin and barbs so even if it was in contact it should be fine.
    
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post #18 of 18
Yeah thats the Delrin one its fine...I use the brass one for a drain-line...
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