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EK block gets stain, they say its not a leak...opinions?

post #1 of 5
Thread Starter 
So I water cooled my system not too long ago. Nothing fancy but I really wanted to get my 980ti cooler and I wanted the experience. I considered selling my 980ti and water block so I took some pictures. As I took pictures of the block from underneath I noticed a stain. It wasn't there before and I knew there was no way I had caused it without realizing so I emailed EK. They responded saying it is definitely coolant but that it isn't leaking and definitely won't leak. I want to believe them. The block isn't leaking, hasn't leaked, and I'm always checking for leaks. But I'm hesitant to keep the block on. I want to move over to the 1080 after I get rid of my 980ti but now I'm wondering if most water blocks have this issue. Below are before and after.

Any thoughts?



post #2 of 5
Quote:
Originally Posted by Powerstroke79 View Post

So I water cooled my system not too long ago. Nothing fancy but I really wanted to get my 980ti cooler and I wanted the experience. I considered selling my 980ti and water block so I took some pictures. As I took pictures of the block from underneath I noticed a stain. It wasn't there before and I knew there was no way I had caused it without realizing so I emailed EK. They responded saying it is definitely coolant but that it isn't leaking and definitely won't leak. I want to believe them. The block isn't leaking, hasn't leaked, and I'm always checking for leaks. But I'm hesitant to keep the block on. I want to move over to the 1080 after I get rid of my 980ti but now I'm wondering if most water blocks have this issue. Below are before and after.

Any thoughts?



I would check if the loop has no leaks with the air pump method. You don't need to tear the loop apart, just shut the computer down and take the PSU out.

However, I advice you to take the look apart and test the gpu block alone.
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post #3 of 5
You are going to migration of coolant in to those areas of the block. It is harmless and unavoidable. The coolant will wick in to that area. So long as the coolant does not push past the o ring you will be fine.
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(34 items)
 
  
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Intel i7-4790k ASUS Maximus Formula VII  ASUS GTX780-DC2OC-3GD5 G-SYNC Support GeForce G... CORSAIR DOMINATOR GT DDR3 2133 
Hard DriveHard DriveHard DriveHard Drive
ocz vertex 4 OCZ 460 WD Black Hitachi Deskstar 
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Aquacomputer flow rate sensor mps flow 400 aquacomputer filter with stainless steel mesh 2 Aquacomputer inline temp sensor 3 Aquacomputer temp sensor 
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EK 12mm OD Solid Tube - Clear Bitspower Multi-Link Adapter 12mm Bitspower True Silver Stop Fitting  2 Swiftech MCP35X  
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post #4 of 5
Quote:
Originally Posted by apw63 View Post

You are going to migration of coolant in to those areas of the block. It is harmless and unavoidable. The coolant will wick in to that area. So long as the coolant does not push past the o ring you will be fine.

This. The area you are seeing the stain is inside of the o-ring. There is no trace of liquid outside of the o-ring, it is not leaking.
post #5 of 5
Quote:
Originally Posted by apw63 View Post

You are going to migration of coolant in to those areas of the block. It is harmless and unavoidable. The coolant will wick in to that area. So long as the coolant does not push past the o ring you will be fine.
Quote:
Originally Posted by ciarlatano View Post

/\ /\ Those /\ /\
The area you are seeing the stain is inside of the o-ring. There is no trace of liquid outside of the o-ring, it is not leaking.
These. The o-ring is the seal. While the direct contact between plastic cover and metal plate in area inside of o-ring keeps coolant flowing in a designated pattern, this pressure does not 'seal' the coolant out of these areas. The o-ring around the block is the seal.
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