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Waterblock turn black - Page 2

post #11 of 23
I love plexi block covers because they let you inspect your blocks easily for bubbles, gunk, and corrosion without tearing down the whole loop.

But keep in mind that copper loosing it's polish over time is normal.
Think of a shiny new penny versus an old black one.
If that really bothers you, you can always go the nickel plated way.
Tho, for myself, I prefer to have as few metals as possible.
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post #12 of 23
Looks like normal oxidation of copper to me. Every copper block I've ever had turned black like that after a while. As mentioned, it doesn't hurt anything to leave it like it is. If you feel you must, it should clean up pretty easily by soaking it overnight submerged in lemon juice or vinegar and then a light scrub with a toothbrush.

Here's a video on cleaning a copper block by OCN's Watercooling Editor, Juggalo ...
post #13 of 23
There's a household cleaning product called "Bartender's Friend" it's a powder and when mixed as a thin paste it removes tarnish from cooper and brass in just seconds with a toothbrush.
post #14 of 23
It is pretty abrasive though - it seems less abrasive than a 1200-grit wet and dry but still leaves some visible marks on copper.
post #15 of 23
Thread Starter 
I have bought a EK block and it is on the road right now. But I want to restore it for a) fun b) to sell it smile.gif

I will update this thread with picture of my block after the ketchup test.

Thanks all, Lee17
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post #16 of 23
i think it looks pretty cool, like anodized aluminum! ahha
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post #17 of 23
Thread Starter 
Yeah it look like annodize aluminuim but I think it start to have have some "grains" and that is a sign of corrosion.

Also, Im using an old toothbrush to clean it. Should I use something else?

Lee
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post #19 of 23
Thread Starter 
Here the result after 3 applications of ketchup and 30 minutea of sitting for each application. I use an old toothbrush and brush during like 5 to 15 minutes.




Thanks all. It will do the job smile.gif
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post #20 of 23
Its getting there.
If you brush it on before you let it sit, to penetrate the pins, it should clear out the pins back to shiny.
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