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Is my GPU block done for?

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post #1 of 24 (permalink) Old 05-18-2019, 03:46 PM - Thread Starter
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Is my GPU block done for?

Hello!

I just disassembled my EK gpu block for cleaning and it looked like this. It looks like corrosion to me but im not sure. Temperatures has been normal if that's anything to go by.

The picture was taken after i used soapy warm water and a tooth brush to try and clean it but i saw no difference after cleaning.
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post #2 of 24 (permalink) Old 05-18-2019, 03:56 PM
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Quote: Originally Posted by CrysisEnthusiast View Post
Hello!

I just disassembled my EK gpu block for cleaning and it looked like this. It looks like corrosion to me but im not sure. Temperatures has been normal if that's anything to go by.

The picture was taken after i used soapy warm water and a tooth brush to try and clean it but i saw no difference after cleaning.
Yikes, the coolant in your loop must have been acidic as hell if this happened in any kind of normal time frame.

But your block is most likely just fine, the nickel is purely aesthetic, as long as the fins are clear of any obstructions it should perform just as well as it always has.
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post #3 of 24 (permalink) Old 05-18-2019, 04:11 PM
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It's only surface try brasso + toothbrush.
Or maybe even some scotch-bright.
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post #4 of 24 (permalink) Old 05-18-2019, 04:32 PM - Thread Starter
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Quote: Originally Posted by Gilles3000 View Post
Yikes, the coolant in your loop must have been acidic as hell if this happened in any kind of normal time frame.

But your block is most likely just fine, the nickel is purely aesthetic, as long as the fins are clear of any obstructions it should perform just as well as it always has.
So it's ok to use it as is? The fins are clear.

Quote: Originally Posted by That_1_Hz_Extra View Post
It's only surface try brasso + toothbrush.
Or maybe even some scotch-bright.
Thanks for the suggestion, I'll see what I can do.

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post #5 of 24 (permalink) Old 05-18-2019, 08:19 PM
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What coolant was you using ?
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post #6 of 24 (permalink) Old 05-18-2019, 08:54 PM
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Clean it and clean EVERYTHING else in your loop....

I'd be less worried about the block and more worried about the pump and whatnot. I'd do a full tear down and inspect everything.

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post #7 of 24 (permalink) Old 05-18-2019, 10:44 PM
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This looks like an issue with mixing metals. Did the rest of your build include aluminum or silver?

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post #8 of 24 (permalink) Old 05-19-2019, 05:13 AM - Thread Starter
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Quote: Originally Posted by andrewmp6 View Post
What coolant was you using ?
The coolant i've been using since november last year has been Alphacool CKC, I've had problems with it ever since. Before that I only used distilled water. I have been using this block for about a year and a half. I've since changed my CPU block from a Koolance 380I to XSPC Raystorm Neo Metal (copper base). I haven't disassembled the GPU block before so this is the first time since I bought it. My rads used were 2 x Alphacool UT60 360mm but I bought 2 new EK rads now which i plan to use from now on.

Quote: Originally Posted by deafboy View Post
Clean it and clean EVERYTHING else in your loop....

I'd be less worried about the block and more worried about the pump and whatnot. I'd do a full tear down and inspect everything.
That's what i did and the pump was completely fine. Check my reply to andrewmp6. Ever since I started using Alphacool CKC, I've had the coolant turn green on me and one of the rads started leaking green from one of the ports and also the green substance solidified on 2 of the closest fittings to where it was leaking.

Quote: Originally Posted by diatribe View Post
This looks like an issue with mixing metals. Did the rest of your build include aluminum or silver?
Check my previous replies where I list my things. I forgot to mention that the fittings I've been using are bitspower acrylic tube fittings (in silver shining color).

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post #9 of 24 (permalink) Old 05-19-2019, 05:27 AM
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That block will work fine, but the nickle plating is stripped from poor coolant inhibitors. So if you ran this on just distilled water at first, that's your problem right there. Second, if you ran new radiators or changed them and they were never flushed out with proper cleaning solution (not just distilled water), then that would be another issue possibly, as left over flux inside them can make coolant acidic. On that nickle block, I would clean and scub it with Brasso to clean up any loose or oxidized metals before putting it back together for use, Then run proper coolant like Mayhems X1 or XT-1 if you have compatible tubing after cleaning all the other parts in your loop.

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post #10 of 24 (permalink) Old 05-19-2019, 05:52 AM - Thread Starter
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Quote: Originally Posted by ezveedub View Post
That block will work fine, but the nickle plating is stripped from poor coolant inhibitors. So if you ran this on just distilled water at first, that's your problem right there. Second, if you ran new radiators or changed them and they were never flushed out with proper cleaning solution (not just distilled water), then that would be another issue possibly, as left over flux inside them can make coolant acidic. On that nickle block, I would clean and scub it with Brasso to clean up any loose or oxidized metals before putting it back together for use, Then run proper coolant like Mayhems X1 or XT-1 if you have compatible tubing after cleaning all the other parts in your loop.
I just used a copper and brass polish cream (similar to brasso since we don't have it in stores here in sweden) but the block looked pretty much the same after the polish. Also I'm planning on cleaning my new rads with white vinegar multiple times before using them, then I'm planning to use EK CryoFuel clear coolant which I also bought recently. That should be ok right?

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