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Why is everyone against dyes in the water? - Page 6

post #51 of 65
Haha. People really get upset during any coolant debate. I don't get it.
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post #52 of 65
Quote:
Originally Posted by RobbyRoyal View Post
Haha. People really get upset during any coolant debate. I don't get it.
Yeah people do get pretty upset. I don't understand why people insist on using anything but distilled. Why complicate something that is so simple?

What? The perfect coolant is available at any grocery store for super cheap? But I want to pay more for a coolant that will perform worse!!!!
    
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post #53 of 65
Ill have to contact Uni again and get them to pull out the records. We took several systems and actually created two type of gunk, 1 was plastic build up the second was a Inhibitor glycol based "gunking" as every one likes to call it. This was easily replicated with out much effort. With in two months or running different systems we had gunking.

This was then looked at to see what was causing the problem and then analysed. They found that the dyes did in fact just colour the gunking effect and did not cause it. It was caused by the injection blocks. As the liquids passed though the fine jets this caused particle brake down and separation at a microscopic level. The heaver partials mainly plastic and inhibitors tended to settle on the surface and over a given time period create a mass. This at the same time is then dyed by the dyes in the fluids.

The project was never finished as i was using government funding at the time. The government pulled my grant half way though and because of that they could no longer carry on the testing. How ever we got the base results and our simple answer but not why the matter was sticking to the base of the blocks which was interesting as the question was why in the CPU plates and not all around the system.

That's as far as i ever got how ever it answered my question what does cause this effect.

The dyes tested were all UV active ones as these at the time were the ones that stood out the most how ever they stand out the most because of the way they work not because they are causing the problem. Ill phone UNI Monday and see if i can get the papers sent to me. If i can ill scan them in and put them up. How ever the reports were never fully finished like i say due to government cut backs and the basic removal of funding.

No further tests have been run since and I personally cannot afford to fund it my self as it costs a formidable amount of money. How ever in the tests we all so took some of the premixed liquids we now use and found that this did not happen and it only happened in the glycol of fluids.
Edited by Mayhem - 6/3/11 at 3:44pm
post #54 of 65
As stated before: They break down, get in your blocks' pins, get in your pump, mess up your rads, and your tubes, and your res.

......And your fittings
    
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post #55 of 65
Mayhem, thank you for a more complete response. I am definitely interested in the information and whatever testing you could bring to light as it might even provide a methodology for some other intrepid souls here to carry forth with it and help to clarify even further what the best answer to this age old watercooling question may be!
    
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post #56 of 65
i have been using koolance green UV die for some time, and never once have i had buildup.
http://www.koolance.com/water-coolin...t.php?cPath=58

this was in a loop with a apogee GT, for 2 years without cleaning it, when i took it apart, it was clean. i have been using this in my loop with my HK 3.0 for well over a year without cleaning, no problems. when i have taken it apart it has been clean.

EDIT: this coolant does not stain my tubes at all either.
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post #57 of 65
Actually break down is the wrong phrase. Dyes that do not become part of a chemical compound with water will simply become a chemical mixture with water (basically all additives will only create a mixture, since its dangerous to involve some kind of chemical reaction in household additives). And what happens with mixtures - eventually, all mixtures will separate. The dye, typically being more viscous than the water impacts the innards of your water block and has some what of a 'gel' impact to it, where it then gets tossed around with particulate in your cooling loop from other standard material produced by the constant wearing effects of water and creates another, thicker mixture that sits between the pin grid of most modern waterblocks.
However if you can find a laboratory created chemical compound (not pre-mixed - created) that has similar properties to water and has the color you wish to use, then go for it. A quick way to check if something is a mixture or a chemical compound? Ingredients list, if it only lists a single chemical compound (Hydrogen Peroxide, Ethylene Glycol, Polypropylene Glycol, Methyl-ethyl Ketone are examples of individual chemical compounds) then theoretically because the base elements that are involved are joined in a chemical structure they should not seperate (without some kind of further chemical reaction).

Web sources:
http://en.wikipedia.org/wiki/Chemical_compound
http://en.wikipedia.org/wiki/Mixture

Oh and as far as discoloration of waterblock and acrylic components of the loop (including the tubing) some of these materials are porous (copper, particularly is relatively porous) or become porous because of the conditions they are exposed to. Waterblocks and radiators do slowly erode and the particulate produced by this is then slammed by the pump into all of the components of your loop, its kind of a destructive process, of course the erosion won't occur rapidly enough to show visible signs of erosion, but I'm almost certain that if you tested the residue you'd find trace amounts of copper, some dye, and maybe some plastic.
Edited by Xaero252 - 6/3/11 at 4:10pm
    
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post #58 of 65
Well, you could always get the Danger Den D5 Monsoon Premium and let the color bleed into your loop.

I got the red-black version; started with distilled and ended up with red liquid (no longer distilled by definition, I'd imagine) flowing in my loop.

Am not sure if the other colors do that though. I also have yet to check for gunk...perhaps it's time to clean my loop.
    
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post #59 of 65
Quote:
Originally Posted by Mayhem View Post
lol yeh send me the block and ill pay for post and packing and then ill show you analysis samples that once again prove my point. Or simple take in to you local uni and ask them what is causing it. That picture proves absolutely nothing what so ever.

@ Tomdarkness As for mayhems yes i am the owner and my grammar is not the best but if you would like to use my grammar as example of you ineptitude then that's fine. If you don't like what im telling you then that up to you but its not my problem if you don't know what your talking about.

@ MCBrown.CA as explained before the coolant is the problem not the dye. but yes they do stain every thing.


Mayhem, one of my buddies tested that theory and he used copper tubing and
3 different brands of dyes and coolant and they all gunked up. dyes dont dissolve metal lol
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post #60 of 65
Currently no one has provided proof, gunk on the block is not proof that the cause of it was the dye and vice versa
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