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Please help! Not sure what happened.

post #1 of 17
Thread Starter 
Hello,

Here is my set up. I have 2 loops. One with a 360 Black ice rad. Koolance RP-452x2, koolance fittings, Koolance cpu-370 block and a copper EK dominator block with XSPC tubing and EK clear fluid. The other loop is the same fittings, tubing and fluid but I have 4 7970 copper heatkiller blocks with 480mm black ice with a rp-401x2 and there is the issue. When to look at my computer it was restarted with a terrible smell. Found of that "in" side pump smoked. So I drained the loop and took the res and pumps out to come to see a greenish blue gunk. Doesnt look like alge at all. But the metal on the bottom of the res looks find. Its just looks like its clinging to the edges of everything. I haven't taken any of the blocks apart yet to see what going on there but figured maybe someone can point me in the direction of what the hell happened. The other loop from what I see if ok but havent drained it yet. Not sure why Im getting this reaction with a premixed fluid. I have attached a picture of the pump head to give you the color I speak of. Also want to add that when I drained the loop I did so in a bottle, when I shined a light under it there was barely any particles in the fluid. What happened? Thanks in advance.


post #2 of 17
My guess would be either algae or precipitate from your "pre-mixed fluid". I think there's too much there for it to be flux.

Quote:
when I shined a light under it there was barely any particles in the fluid
There shouldn't be any. Also, your eyes aren't good enough to see a lot of it.
Edited by Electrocutor - 3/11/13 at 11:03am
post #3 of 17
How long did you run the loop before this happened? Like you said that does not look like algie and algie takes a good while to build up even if you have no protection against it. That could be plasticiser and broken down coolant coloring. It could also be that there is some copper oxidation in there as well so do check thous blocks.
    
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post #4 of 17
Oh that is most definitely algae. You could try various cleaning solutions throughout your loop, Iso Alcohol, vinegar, etc.. to get rid of it, but I think you'll need to start taking blocks and pumps apart to get it all.
If you do decide to not take everything apart, you'll need to clean and drain at least 5 times to get most of it. Also in the future make sure to use a biocide in your loop. From the looks of that algae, it may be pretty bad in your region and you may need to consider draining every 3 months.
post #5 of 17
Thread Starter 
Quote:
Originally Posted by Electrocutor View Post

My guess would be either algae or precipitate from your "pre-mixed fluid". I think there's too much there for it to be flux.
There shouldn't be any. Also, your eyes aren't good enough to see a lot of it.

You think the precipitation is from still being air in the system after a few months? I was never able to get everything out? Does that sound right? And how would I get aglae from premixed? I do run those cards at full load. That loop does sit at 47c at all times (in terms of the GPU temp). Would the consistant heat and air in the system cause the issue?

How will I prevent this from happening again. I though this fluid was sopposed to do it all. Im just not sure if its algae or a copper reaction?

Thanks
post #6 of 17
Quote:
Originally Posted by Roguesphere View Post

You think the precipitation is from still being air in the system after a few months? I was never able to get everything out? Does that sound right? And how would I get aglae from premixed? I do run those cards at full load. That loop does sit at 47c at all times (in terms of the GPU temp). Would the consistant heat and air in the system cause the issue?

How will I prevent this from happening again. I though this fluid was sopposed to do it all. Im just not sure if its algae or a copper reaction?

Thanks

Just so no one is making assumptions:
- Did you use enough EK clear?
- You don't have aluminum in the loop right?
- Does the green stuff feel like it is painted on, or is there actual texture to it when you touch it?
- How long was the water in your system? 6 months? 18 months?
- Is your PC located where the sun shines on it a lot? What is the average temperature and humidity where you live?
post #7 of 17
Quote:
Originally Posted by Roguesphere View Post

You think the precipitation is from still being air in the system after a few months? I was never able to get everything out? Does that sound right? And how would I get aglae from premixed? I do run those cards at full load. That loop does sit at 47c at all times (in terms of the GPU temp). Would the consistant heat and air in the system cause the issue?

How will I prevent this from happening again. I though this fluid was sopposed to do it all. Im just not sure if its algae or a copper reaction?

Thanks

Precipitate drops out of a solution for any number of reasons; the most common are ph change, chemical change, introduction of surfactant (like Nuke PHN or cleaning residue left-over from a poorly-rinsed radiator), or just a poorly thought-out solution that naturally becomes heterogeneous.

Not all premixes contain a biocide. What's more, I would say that the majority of premixes on the market right now should either not be used at all or be replaced about every 6 months or so; there are of course exceptions. All premixes are not made equal.

[Edit]
As mentioned above, plasticizer could also be a problem, depending on the tubing you used and other things.

It could also be oxidized copper, but copper would only get eaten away if you had a pretty cathodic metal in the loop (which is unlikely). In a copper-aluminum setup, the aluminum gets eaten away, so you wouldn't get a green color.
Edited by Electrocutor - 3/11/13 at 11:53am
post #8 of 17
Thread Starter 
Quote:
Originally Posted by zeusthunder369 View Post

Just so no one is making assumptions:
- Did you use enough EK clear?
- You don't have aluminum in the loop right?
- Does the green stuff feel like it is painted on, or is there actual texture to it when you touch it?
- How long was the water in your system? 6 months? 18 months?
- Is your PC located where the sun shines on it a lot? What is the average temperature and humidity where you live?

1. Yes its EK clear premixed. 1 Liter bottle. It was full at the beginning and i did lose some fluid over time but not to make the pumps run dry.
2. Not that im aware off. Unless the koolance res has aluminum in it like the screws and the 180 U connector.
3. It feels smooth when I touch it. No texture. Doesnt feel like pieces of metal if thats what you are asking. Looks texture but doesnt feel that way
4. I have been running this premixed fluid since about Aug 2012
5. PC is located in the basement. pretty much dark other than the regular house lights that are down there. I live in upstate NY. It is humid in the basement but alot of light. Its probably about 65F down there.

I also want to add because everyone is asking about the plasticizer. It is UV green XSPC tubing but I dont use any UV lights. I have that tubing in other rigs an no issues.

Hope you can give me a solid answer. I really appericate everyones input. I just cant beleive the other loops doesnt look that way from what I see. ( having taken it apart yet)

Any other questions anyone needs to resolve my issue I will answer as soon as I can. Thanks again all!
Edited by Roguesphere - 3/11/13 at 11:57am
post #9 of 17
I think you'll need to take apart one of the blocks and see if the same color is there as well. I still think it's algae.
post #10 of 17
Looks like oxidised copper to me smile.gif and unmistakably oxidised copper
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Ayase Eli
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