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General Liquid/Water Cooling Discussion For discussion about Full Cooling System kits, or general cooling topics. Keep specific cooling items like pumps, radiators, etc... in their specific forums. |
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01-20-2002, 11:06 PM | #26 |
Thermophile
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I got the deionised from a local hardware store, it was cheap (£2.35/5l - about $3/gal in US terms).
Here it is - As you see nothing particularly special about it
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01-20-2002, 11:18 PM | #27 | |
Cooling Savant
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Quote:
The redline water wetter or PurpleIce are additives meant for cars to reduce surface tension (better cooling) and reduce corrosion (the most important for computers). but hey... if these additives are really screwing everything up... then maybe glycol mixtures could be a fall back BUTCHER-- thanks alot for the deionized water info.. i thought it was only available in science stores!!! |
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01-21-2002, 04:13 AM | #28 |
Cooling Savant
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Allright, now I'm nervous... I'm gonna test WW right away (Don't have any Purple Ice).
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01-21-2002, 01:43 PM | #29 |
Thermophile
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ok, so lets write off water wetter and purple ice. Now, what about anti-freeze, or other additives? Which ones will be bad for corrosion too?
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01-21-2002, 04:11 PM | #30 |
Cooling Neophyte
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Location: Union City, CA
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Has anyone else tried this yet?
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01-21-2002, 05:02 PM | #31 | |
Cooling Savant
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Quote:
WE NEED MORE PEOPLE TO TEST THIS before we all give up on the additives!! |
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01-21-2002, 05:20 PM | #32 |
The Pro/Life Support System
Join Date: Dec 1999
Location: Denver, CO
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You can get DeIonized water all over. But its useless for computer cooling.
The second you put it in your system it becomes contaminated and just normal tap water for all intents and purposes. The stuff I used in DH3 has been in the ProMini cooling system for over a year, and there is NO sign of any corrosion anywhere. Redline works well in tests I did also. But it seems to react with silicone hoses. I think it actually gets absolrbed into the silicone. In the WB testing rig I noticed after a few months all the water wetter was out of the coolant and I just had pink hoses.
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01-21-2002, 07:21 PM | #33 |
Thermophile
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Joe, thats just the silicone absorbing the red dye, I doubt it would absorb the water wetter entirely
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01-21-2002, 08:13 PM | #34 |
Registered User
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Hmm, I don't really want water wetter leaching into my silicone hose after I payed so much for them. Perhaps I should use purple ice?
(And DigitalChaos, is it just me, or does the 1/2 strength of ww and purpleice seem to corrode the aluminum faster than the full strength in your pictures?) |
01-21-2002, 08:23 PM | #35 | |
Thermophile
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Quote:
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01-21-2002, 09:00 PM | #36 | |
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Quote:
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01-21-2002, 09:03 PM | #37 | |
Cooling Savant
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Quote:
pitting has started in some of the mixtures... i should have an update to the site in a few hours |
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01-21-2002, 09:05 PM | #38 | |
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Quote:
The inside of your waterblock, lines, pump, fittings all have oxides, mold lubricants, machining oil residue and contaminates. De-ionized water would be good if you were putting it into a perfectly sterile and clean sealed system. Once you put it into a normal cooling system is picks up so much contamination that it soon becomes no better than distilled water would be. I am just saying use Distilled and water wetter, there is no reason to use De-Ionized water. With water wetter even tap water can be used ( althought I wouldnt use it in my systems).
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01-21-2002, 09:10 PM | #39 |
Cooling Savant
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hehe... Joe you said deionised water becomes normal tap water when you put it in a system... but the above makes sense
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01-21-2002, 09:11 PM | #40 |
Thermophile
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Yes, I realise that Joe, I use deionised because it was to hand and distilled was not, I didn't really care which of the two I got as the price difference is pretty small. It just looked like you were saying deionised is no better than tap water.
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01-21-2002, 09:12 PM | #41 | |
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Quote:
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01-21-2002, 09:16 PM | #42 |
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ok i KNOW what the additives are SUPPOSED to do... but how do you explain the tests im doing??? i made the most exact measurements when making the mixes..... i am completely confuse... we need some chemists out there
and even normal aluminum foil turns black after a few hours (even if its in the mix all by itself.. no copper).. so i feel pretty good that i didnt get some weird aluminum pipe.... infact i think i have the same pipe that is on the OCWC test site from the looks of it... |
01-22-2002, 08:14 AM | #43 |
Cooling Savant
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1 hour and small bubbles are appearing on the aluminium.
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01-22-2002, 08:47 AM | #44 |
Big PlayerMaking Big Money
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If I had to guess (and that is all this is is a guess) I would say that in the solutions containing water wetter and purple ice that the aluminum is forming an aluminum hydroxide coating due to the high pH of those additives. This coating I suppose you could call corrosion, but in actuality it is a good thing because it will prevent any long term dissolution of hte aluminum and enhance its resistance to redox reactions with copper (galvanic corrosion). I know water wetter states that it is alkaline; not sure about purple ice. I am a chemist of sorts (environmental chemist), but I would have to know a bit more about the makeup of the organics used in these products to make a really educated guess. My gut instinct is that the red coloring is actually just that; the active ingredients are surfactant and base and both of thsoe are colorless. People have a hard time paying $7 for what looks like bottled water though. Make it red or purple and it seems more reasonably priced.
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01-22-2002, 09:16 AM | #45 |
Cooling Savant
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Anyoeen else noticed that OCWC has updated the corrosion page now in January?
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01-22-2002, 11:32 AM | #46 | |
Cooling Savant
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iceheart - what aluminum are you using?
pHaestus - THANKS SO MUCH FOR THE INPUT... that may be the answer.... i will have to check the aluminum today to check if there has been pitting or not. (coulda sworn i saw it) i was reading the TechInfo regarding corrosion about the Redline... and it sounds like you are correct..... now my question is: DOES THE BLACK FILM REDUCE HEAT TRANSFER? and IS THE ANTI-CORROSION ONLY FOR ALUMINUM? (is it even worth putting in a copper and brass cooling system?) below is the tech info regarding the corrosion inhibitor of RedLine (i will see if i can find some for PurpleIce) i think im gonna ask chip why he didn't have any coating on his test!!! Quote:
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01-22-2002, 11:51 AM | #47 |
Cooling Savant
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I sanded away a bit of the anodizing of an old 486 hsf and dropped it in... and a lil coil of copper wire I had around here.
Right now there is no visible effect to either metal (except for the bubbles on the aluminium, which aren't rising to the surface like yours were) but the water has started to turn an odd brown color instead of the pink WW color (?!?). I think the jar I used might have been dirty before. |
01-22-2002, 11:52 AM | #48 |
Cooling Savant
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btw the following line in all that is probably the most interesting:
"Red Line prevents this corrosion through effective film formation and smaller vapor bubble formation" |
01-22-2002, 11:56 AM | #49 |
Cooling Savant
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On another side note, I had no idea about the dosage for the WW (it was in US units) so I took 1 capful in 8 fl.oz (my container is marked with fl.oz ). Is this too much/little?
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01-22-2002, 12:47 PM | #50 |
Cooling Savant
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nah... it probably doesnt even matter what ammount... since all of them seem to do something... 1/2 teaspoon = 1/6 oz
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