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Corroded GPU block - only used for a month

post #1 of 19
Thread Starter 


Got my Corsair 350D and decided to move my stuff over. Removed my GPU and saw the above.

Yea... so I've only had this for one month. I thought EK had fixed their NI blocks to prevent corrosion. I ran with a mixture of Swiftech Hydrx PM2 and a silver kill coil. Argh.

So, can I still continue to use the block, or should I stop? I've heard horror stories with RMA'ing with EK, and they'll probably blame me for this. And I really don't want to wait however long it takes for any RMA situation to rectify. If I can continue using the block without risks, then that would be my preference.


ARGH!!!!
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post #2 of 19
Soak it in distilled vinegar for 2-3 hours and breathe a bit. It'll be fine. Polish it back up with Brasso.

Here's my experience with corrosion/staining: http://www.overclock.net/t/1380767/build-log-fantome-nadir-800d/0_100#post_19830047
post #3 of 19
You have water and metal. It is bound to happen. Get a good soak with white vinegar, even apple cider would work. That will take it right off.
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post #4 of 19
Thread Starter 
FYI, it's actually a nickel block. The picture is from a phone camera and is way to orange-y
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post #5 of 19
Thread Starter 
If it won't cause any issues going forward, then I'll just continue using it as is. =)
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post #6 of 19
Quote:
Originally Posted by mojojj31 View Post

If it won't cause any issues going forward, then I'll just continue using it as is. =)

I have a nickel block on my GPU right now, been on for 6 months probably corroded, can;t be bothered checking it, temps are same. i see no problems thumb.gif
post #7 of 19
Possible to get a better picture? Can't tell much from that picture


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post #8 of 19
next time, do not forget NOT to use a silver kill coil with a premix coolant that has anti-corrosive inhibitors tongue.gif
http://www.swiftech.com/hydrx-pm2coolant.aspx
silver isn't friends with nickel or copper

hope you get it all worked out! im sort of liking EK's plexiglass / acrylic covers, lets you see inside, i cant do either on my heatkiller or raystorm frown.gif
  
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post #9 of 19
Quote:
Originally Posted by INCREDIBLEHULK View Post

next time, do not forget NOT to use a silver kill coil with a premix coolant that has anti-corrosive inhibitors tongue.gif
http://www.swiftech.com/hydrx-pm2coolant.aspx
silver isn't friends with nickel or copper

hope you get it all worked out! im sort of liking EK's plexiglass / acrylic covers, lets you see inside, i cant do either on my heatkiller or raystorm frown.gif


Your facts are quite off tongue.gif

The reason you don't use different metals in the same loop, in some situations, is because of galvanic corrosion. Silver, copper, nickle, and brass all work well together.
http://www.engineersedge.com/galvanic_capatability.htm

Take a bit of time to research into it a bit. He ISN'T experiencing galvanic corrosion. If he was he would be having problems ELSEWHERE in his loop, as it would depost nickle particles in the CPU block, and other components. On a side note, "anti-corrosive inhibitors" would imply the liquid has additives that negate corrosion inhibitors thus allowing corrosion to occur. For future reference, either use the term "Anti-corrosive" or "Corrosion Inhibitor"
biggrin.gif



As for my recommendation, flush your system, clean out your block, then switch to distilled water with Mayhems Biocide Extreme.
http://www.frozencpu.com/products/17710/ex-liq-291/Mayhems_Biocide_Extreme_-_10mL.html

It's not just a biocide, but also an anti-scaling agent, corrosion inhibitor, and adds VERY little actual fluid to your loop, so it doesn't effect temps that much. It also comes with a PH balancing kit, so that will help make sure you're using it correctly.
Edited by ZytheEKS - 5/19/13 at 4:43am
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post #10 of 19
Pure distilled water and a (silver) pill that is used to keep water fresh for a long time is what I am using. Works like a charm smile.gif
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