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Watercooling Tube Crud?

post #1 of 11
Thread Starter 
I get these little specs of build up on the interior of my tubing. It's kind of clearish/white in color. They are just little specs, not air bubbles, that form mainly on the line from the pump outlet to the radiator inlet. I was thinking it was something in the additive, but don't know. I currently have a 10 to 1 ratio of distilled water to blue pentosin G11, and a couple drops of PT Nuke. Is this a normal?
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Low Tide
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post #2 of 11
How old is your tubing? Have you changed the coolant recently? You will start getting some build up after a while, even with additives. It's good practice to change the entire tubing once a year or so.
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post #3 of 11
I was wondering about galvanic corosion, would it show up like that?
    
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post #4 of 11
Quote:
Originally Posted by Tufelhunden View Post
I was wondering about galvanic corosion, would it show up like that?
thats usually green....
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post #5 of 11
Quote:
Originally Posted by Melcar View Post
How old is your tubing? Have you changed the coolant recently? You will start getting some build up after a while, even with additives. It's good practice to change the entire tubing once a year or so.
But tygon cost soooo much
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post #6 of 11
Expensive tubing is just that, expensive. The cheaper stuff, like Clearflex and Masterkleer do a fine job. Even the cheap tubing you get from hardware stores is enough, as long as you don't abuse it too much.
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post #7 of 11
Is this a new build? If it is did you clean your rad out well before you used it? There is usually some kind of white crud in the rads that needs to be cleaned out, soap scum from leak testing or flux..

If you've been running it for a while is this a new coolant your using in it? If you ran another kind of coolant before this one and didn't rinse your loop out real well it might be some kind of coolant reaction going on...

I've gotten white snow looking crud in my loop from not rinsing it well when using a new coolant...
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post #8 of 11
Sounds like biofilm... pretty common. You can purge it from your tubes using a cleaning brush that you can find at any pet store. A good biocide such as copper sulfate (check Petra's) should help prevent a regrowth; I found that I needed to increase the concentration of copper sulfate in my loop to effectively prevent growth. In any event, happy heat exchanging!
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post #9 of 11
I had what looked like puffs of clouds in the tubing..obviously fungal growth..put a little Domestos cleaner /germ killer / stuff into the system and its all cleared up...Had the same stuff growing in the top up bottle and put Domestos into that as well..I think I may have put too much in coz the blue liquid is now clear !
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post #10 of 11
Thread Starter 
I put PT Nuke in the loop so I don't think it's biofilm. The tubing is also only 2 months old. I have had 3 water changes since the radiator was new so I don't think it's from that. It's not that bad, but just annoying I think.
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