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Advice on used gpu block

post #1 of 8
Thread Starter 
Im contemplating purchasing a used EK FC 5870 block- nickel plated. Without any information on what coolant was used in the loop, would you purchase it? After all, I could clean it right..?

I also remember reading about some EK blocks that were nickel plated have started to have problems with copper showing through.
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post #2 of 8
Hi.

I would ask the Seller in no uncertain terms what liquid was run through the system.

And, as you stated, you could readily open up the block and clean it once you receive it.

...I'd just make sure to get a good deal on it.



P.S. not certain about the wearing of the nickel plating. I have had several EK blocks in the past, but have not noted this symptom.
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post #3 of 8
I think there was an issue with the nickel plating on some blocks but EK has addressed that and had little to do with the liquid it was more about the manufacturing process if memory serves. Ask the seller to send you a current pic of the blocks and you should be able to see if there is any issues. Nickel is very corrosion resistant so unless they did something really stupid, you should be good. I would worry more about threads being stripped or gaskets leaking personally.
post #4 of 8
Thread Starter 
Okay thanks. Didnt know if different coolants or what not would hurt the block in any way (other than gunking if dyes were used). I could just take the acetal top off and then set it in vineger and water mix? Or would I need to do anything differently since its nickel.

And to confirm- I wont have to worry about having nickel in with copper (5970 and HF) blocks?

Quote:
I think there was an issue with the nickel plating on some blocks but EK has addressed that and had little to do with the liquid it was more about the manufacturing process if memory serves. Ask the seller to send you a current pic of the blocks and you should be able to see if there is any issues. Nickel is very corrosion resistant so unless they did something really stupid, you should be good. I would worry more about threads being stripped or gaskets leaking personally.
Wow, thanks! didnt think about the threads.. I did ask him if he's had any problems with it.
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post #5 of 8
well your going to flush it when you receive it anyway right?
could use the possible coolant tarnishing as a bargaining tool i guess.
grab it if the price is right,just be sure to get some new thermal tape.
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post #6 of 8
Thread Starter 
Ill certainly clean it since its used. Hopefully he response quickly would be nice to have my x-fire setup all under water as i complete my mod/build
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post #7 of 8
Nickel is just plating on top of copper. Copper has better thermal transfer but corrodes easier. Chrome and Nickel are highly corrosion resistant which is why things like bumpers and machine parts are either chrome or nickel plated. So no, you do not have to worry about copper and nickel items in the same loop. It is aluminum and copper you want to avoid.
post #8 of 8
Thread Starter 
Alright. figured as much. knew aluminum and copper wasnt good from modding my h50.

Still unsure though.
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