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Green "stuff" growing around block outlet/barb

post #1 of 18
Thread Starter 
I'm using this on my WC loop. It's been working fine for about 6 months now, until I inspected the loop a few days ago. Some green "stuff" is starting to form around the outlet for the GPU block; this "stuff" has the consistency of ear wax so I guess is fungi or something. Weird thing is that that's the only place it forms. I already cleaned it several times but the thing grows back on. Overall cooling quality hasn't changed much and I plan to flush the system soon anyways, but I would just want to know what the "stuff" is.
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post #2 of 18
MCT is green isn't it? You might just have a loose fitting or a real slow weepy leak on that fitting...The build up is probably from that....I know once my res plug was a little loose for a while and I got a blue build up on the top of my res on the inside around the plug hole.....I was using blue Pentosin is why mine was blue build up....

If its some kind of crud try using some of this in your loop its good stuff...

...PT Nuke
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post #3 of 18
Thread Starter 
Yep, it's green. May need to check the fittings then. I plan to disassemble everything soon anyways.
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post #4 of 18
Yeah thats good you can get it all cleaned up then..That PT Nuke is some really good stuff, its copper based to...I've not had any hint of crud in my loop since I started using it...
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post #5 of 18
If I'm not mistaken..isn't the green stuff the result of galvanic corrosion?
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post #6 of 18
A galvanic reaction would only occur if a significant amount of one metal was introduced to another. Like if there was one aluminum block and one copper block, or the water in the loop had a high mineral/ iron content.
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post #7 of 18
Quote:
Originally Posted by D3DAiM View Post
If I'm not mistaken..isn't the green stuff the result of galvanic corrosion?
Yeah if he has aluminum in the loop it could be....I've never seen it in a loop except for pic's....But when you get it like from salt water and brass its kind of a slushy crusty stuff, its not soft....
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post #8 of 18
shouldnt one bleed, clean and refill every 6 months anyway?
post #9 of 18
Quote:
Originally Posted by ChielScape View Post
shouldnt one bleed, clean and refill every 6 months anyway?

Its a good idea to...I do it every 3-4 months ...
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post #10 of 18
No reason to do it more than once every 12months, but most people probably alter their loop several times so need to do it anyway.
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