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What is THIS in my loop?

post #1 of 23
Thread Starter 
Some minor details that might help: Been through three different loops and first time I've ever seen anything like this. I only run distilled water and PT Nuke. I thoroughly flushed the rad before use with both water, distilled and vinegar solutions.

It appears to be some sort of crystallized film. It almost looks like condensation/water but you'll notice in one of the res pictures the droplets of water and there is a stark difference. It does not easily come off as in flushing hot water through it but comes off when you wipe it down with something. As for the fittings, it shows a same consistency: crystallized film. It's very fine as when I was cleaning it out, you could see the wisps of dust/whatever it is escape as I wiped.










Has anyone ever noticed anything close to this or know what it might be? Thanks.
post #2 of 23
your res shows plasticers...

Your black residue looks like left over flux or something from the rad manufactor process that u missed.

Try to use a rad flush on the radiator and see if u get discoloration in the water.


it shouldnt cost more then 5 dollars, but u will need to dilute.
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post #3 of 23
What blocks do you use? Could it be the nickel particles from corroded nickel blocks? I'm not 100% sure so don't quote me. Just an idea to throw out there.
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post #4 of 23
Thread Starter 
Quote:
Originally Posted by H4rd5tyl3 View Post
What blocks do you use? Could it be the nickel particles from corroded nickel blocks? I'm not 100% sure so don't quote me. Just an idea to throw out there.
No nickel, both the DD and HK blocks are copper.
post #5 of 23
Thread Starter 
I'll try it, sure. But I flushed the rad thoroughly before I re-did my loop this last time and had it about down to where clear water was going in and out after flush. I've witnessed first-hand the residue from flux off rads but this crystallized film is definitely new.
post #6 of 23
Quote:
Originally Posted by bowmanvmi View Post
I'll try it, sure. But I flushed the rad thoroughly before I re-did my loop this last time and had it about down to where clear water was going in and out after flush. I've witnessed first-hand the residue from flux off rads but this crystallized film is definitely new.
the wierd thing is the discoloration ur getting.

its black which is usually oxidized matter.

But you would have discoloration on the blocks as well.

Your only seeing this on the barbs and it is depositing clear on the res wall?
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post #7 of 23
When's the last time you checked your blocks?
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post #8 of 23
Thread Starter 
I cleaned out my blocks after this latest draining. Both were a tad dirty, yes, explaining the dark residue on the insides of the fittings. I've seen this before. What I haven't seen, again, is that crystallized film that's showing up alongside it.
post #9 of 23
im leaning towards plasticizer + something else.

What tubing were u running also?
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post #10 of 23
Thread Starter 
Primochill primoflex. Stuff I've used before without incident. You keep mentioning this "plasticizer" but that's the first mention of it I've seen on these boards.
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