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what is this white residue in block?

post #1 of 12
Thread Starter 


10 min in vinegar had no effect. Scrubbing also didn't do anything. Only was running 1 week with distilled water.
post #2 of 12

What's your full WC setup?

 

Blocks, Tubes, Fluid, Anti-Microbial solution (e.g. Silver Coil, Fluid, Etc), the whole works.

 

Could be a few different things.

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post #3 of 12
Looks like it could be flaking, but out of curiosity, what tubing and liquid are you using?
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post #4 of 12
Thread Starter 
This was only a temporary setup, so I was running straight distilled water with no additives or anything else. This was the only block in the system, along with an RX480.

Tubing was Watts stuff from Home Depot. I know this stuff has plasticizer problems, but is plasticizer this stubborn to remove?

I've tried rubbing alcohol, vinegar, an all purpose cleaner, and it's in boiling water right now and it's not going away.
post #5 of 12
Quote:
Originally Posted by dr/owned View Post

This was only a temporary setup, so I was running straight distilled water with no additives or anything else. This was the only block in the system, along with an RX480.

Tubing was Watts stuff from Home Depot. I know this stuff has plasticizer problems, but is plasticizer this stubborn to remove?

I've tried rubbing alcohol, vinegar, an all purpose cleaner, and it's in boiling water right now and it's not going away.

 

What type of rubbing alcohol did you use. If it's plasticizer it should come right off with 92% Iso

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post #6 of 12
Thread Starter 
91%. The tubing does show some plasticizer residue, but it rubs off with just my finger.

Is it possible this is EN Nickel corroding? EK's tests show that they got staining with just a week of distilled water:

www.ekwb.com/shop/EK-IMAGES/EK_STAINING_TEST.pdf
post #7 of 12
Quote:
Originally Posted by dr/owned View Post

91%. The tubing does show some plasticizer residue, but it rubs off with just my finger.

Is it possible this is EN Nickel corroding? EK's tests show that they got staining with just a week of distilled water:

www.ekwb.com/shop/EK-IMAGES/EK_STAINING_TEST.pdf

 

EK's tests are rubbish. It's basically them trying to force their coolant liquid on the market. 

 

On the other hand, just don't buy EK blocks. As soon as they had nickle corrosion on their hands, they started to throw the blame on their customers and refused RMAs to multiple folks. 

In my book, they can keep all of their products. 

 

As other companies with nickle plated blocks have no issues with distilled water & PT-Nuke/Silver Coil. 

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post #8 of 12
Thread Starter 
Looks like I'm going to have to replace all the blocks in my system. Right now at idle, the EK 680 block that is brand new is 32C and is in the first PCI-e slot. The second one that I took the picture of is running at 38C. Thermal paste was applied nearly the same way on each die (using a hypodermic needle, so there wasn't much variation in quantity or method applied). Unless I didn't screw the block down tight enough (doubtful), that staining/corrosion/tarnish/whatever is affecting perfermance.

Probably only a matter of time until the CPU block goes too, which is also EK Nickel. Will move to Aquacomputer full cover copper for the gpu's and Koolance 380 nickel + acetal for the cpu. Such an unfortunate expense having to replace blocks, that I can't even resale because of OCN's rep requirement.
post #9 of 12
Quote:
Originally Posted by dr/owned View Post



10 min in vinegar had no effect. Scrubbing also didn't do anything. Only was running 1 week with distilled water.


Doh. You're not supposed to put anything nickle in vinegar. The vinegar is a corrosive it will eat the nickel. Ek nickel is bad enough all on it's own lol.
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post #10 of 12
I had the Ek nickel on 3 gpu's and all of them went south. Now running the Ek copper blocks with no issues.
I did RMA the blocks and Ek replaced them with the copper for me.

g.hribernik@ekwaterblocks.com

This is the email for the development and quality officer at Ek, Gregor Hribernik.
He helped me with my issues maybe he can do the same for you or point you in the right direction.
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