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Algae in Coolant

post #1 of 26
Thread Starter 
I built a water loop for my graphics card about a year ago using Koolance products, including fluid which was supposed to be non conductive and have biocides in it. The computer has been running fine for about a year, but is placed in a spot where I cannot see the inside of the case. Today I took it out to do some anti-dusting and noticed there is brown algae growing in every component of the water loop. How could this happen with an ethylene glycol solution with biocides? What do I do now? I would imagine the stuff is growing inside the pump and water block as well as the tubes. Is there a way to flush it out and clean the components? If so would adding a kill wire solve this from happening in the future?
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The-Samurai
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post #2 of 26
Yeah the low conductivity coolant from koolance isn't 1/2 as good as their normal coolant. I've ran the non low conductive in a loop for nearly two years and still had no sign of algae when finally drained.

I would recommend getting all new tubing and rinsing blocks/pumps thoroughly with vinegar, just make sure you do several final rinses (fill, run, drain) with plain old H20 before final refilling with what ever coolant you decide on.
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post #3 of 26
I would flush the loop with half vinegar half water, after taking all your blocks out, letting them dry completely, and scrubbing them with a tooth brush.

The non-conductive claim is pure lie. So if that manufacturer is lying to you about the non-conductivity, they are most likely lying about the biocide claim as well.

And live algea is green, so that brown stuff had to be dead algea.
Algea will occur when any amount of light gets in your loop. Since most of us have see-tru reservoirs and tubing, algea will occur.

I would get a X1, which is anti-corrosive, and a biocide.
And change your coolant more often. At least every year. Some guys like to do it every 6 months.
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post #4 of 26
Thread Starter 
It will take some time to get the new tubes, and I really done want to have my computer down for the Elder Scrolls Online launch. Would there be any harm in running it the way it is for a while? Nothing seems to be overheating.
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post #5 of 26
Sure. As long as it works fine than no problems.
I'd go back to stock clock if you are OCing, just in case.
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post #6 of 26
Quote:
Originally Posted by PepeLapiu View Post

And live algea is green, so that brown stuff had to be dead algea.
Algea will occur when any amount of light gets in your loop. Since most of us have see-tru reservoirs and tubing, algea will occur.

There is brown algae which grows in dimmer areas. It could also be bacteria.
post #7 of 26
i am using that fluid; clear type, what color is yours? i think they market it as low conductive though
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post #8 of 26
Thread Starter 
Yes I'm using the clear low conductivity fluid from Koolance that is also supposed to have biocides in it.
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post #9 of 26
it does, brown rust?
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post #10 of 26
Here is why the low conductivity claim is a lie.
Distilled water is not conductive at all.
But once it is no longer pure distilled, it becomes conductive gradually.
So soon after you pour it into your loop, it will no longer be conductive as it gets ionized ftom the copper, nickel, platisizer, ect....
So your low conductivity coolant won't stay that way longer than a day or so.
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