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Discussion Starter · #1 ·
Well it's about that time. I have not cleaned my loop since I first had the parts back in February or even disassembled it since then. I thought that my rads would be clean enough back then but they were not. Had a small problem with foggy water and flushed with 50/50 vinegar/DI water for a couple hours with the loop assembled. Then flushed with DI water twice for an hour and since then I've been running Mayhems X1 solution. This was when I first assembled the loop in Feb to clear any confusion.

Now on to earlier this week...

I took my blocks apart which had some corrosion shown here.
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The GPU block had some green but was considerably cleaner so no pics.

Here is the CPU block after cleaning. I have since cleaned it once more and the dark ridges are nearly gone. It has caused the block to look less shiny and more foggy most likely due to the acid (ketchup).
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I rinsed my 420 rad out with boiling water and it led to some very foggy water, although the water in my loop was very clean before I took it apart. I then cleaned with 75/25 boiling tap water and vinegar. Then rinsed by pouring half a gallon of DI water through the rad with a funnel to simulate pumping water. It came out clean.

Have I cleaned the rads enough? How do I know when they are clean? I feel like the rad needs more cleaning since the boiling water didn't come out clear but I am cautious with cleaning because I don't want to cause a leak with too much acid.

Are my blocks still OK to use? Most people who take pics of their blocks are sparkling clean and mine became very corroded most likely due to insufficient initial cleaning or the rads. Not sure if that is OK.

Also, my GPU block has a thin film of a powdery substance on the inside. It is tough to clean off. Should I scrub the whole block? I don't think it is plasticizer but it could be. Not sure what else it may be.

Lastly, my GPU's gasket is really stuck on the block. I want to clean under it (there is a hint of green most likely from standing water) but I don't want to tear the gasket. Can I leave this as is? Scrub around it? Is it glued in or do I just need to heat up the block to loosen the rubber? It is an EK Copper/acetal block.

Thank you and here are some additional pics! I can take more if needed. Later today.

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Discussion Starter · #2 ·
Bump.

Cleaned the rads again today. Boiling water shaken up and drained followed by 50/50 boiling tap water and vinegar once with a quick 5 minute soak then once with vigorous shaking.

Then left the faucet on one side to flush. After that I flushed with a half gallon of DI water in each direction and left them to dry overnight.

Water looks clean now that is for sure!

Still unsure about what to do with the GPU though. A little worried about the gasket.
 
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