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really dumb question


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#1 defanged

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Posted 20 March 2015 - 06:28 PM

my most-used PC is also the first time I incorporated liquid cooling into the design. I used mostly EK parts, 3 X GTX 780s hydro classified, and  - for the actual cooling - red EK fluid (the only choice at the time). Here's my question: recently I noticed that the level of coolant in the resevoir looked lower than it used to be. for the first time ever, inspiration struck and i took a sharpie and drew a mark at the water line. I kept checking back (really whenever I remembered... probably a couple times a week or so) for approx. a month. the level went down another ¾ of an inch (or so) in that time. i checked everywhere for a sign of a leak, iinside the PC and out, and found nothing. (the PC in question - btw - is running without a hiccup.) Where is the coolant going????? the only hypothesis i could come up with is that whatever makes the coolant red is separating from the plain water in the coolant and somehow t he red part is condensing.... I don't know. Dumb theory.

Any help?



SETUP, as of 4/14 - Case: Corsair 900D full tower, PSU: corsair 1200 watts, MB: ASUS rampage IV extreme, GPU(s): 3 X Nvidia GeForce GTX 780 hydro copper classified in 3-way SLI , RAM: 64 GB corsair dominator platinum DDR3, CPU: i7 3970X extreme edition @ 3.5 GHz (hexacore), OD: ASUS blu-ray RW, Cooling: EK liquid system, incl. EK waterblock, EK fittings, EK pump, resevoir, coolant misc., generic tubing, Audio: Creative sound blaster Recon3D THX PCIE Fatal1ty Champion sound card, Storage: SSD/HD: 2 X 240 GB samsung SSD (OS - win 7 pro), 1 TB caviar black, 4 TB caviar blue.

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#2 YeahBleeping

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Posted 20 March 2015 - 06:46 PM

Regardless of how closed a water cooled closed loop system is.  Some evaporation will occur in the form of absorption by the relative parts in the system.

 

No dumb questions .. the answers may sound dumber than the questions.



#3 technonymous

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Posted 20 March 2015 - 07:31 PM

It depends on how tightly closed off the reservoir is; steam may be coming off there. Be sure to double zip connections. It could be just simple expansion of the lines.



#4 Serpius

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Posted 20 March 2015 - 11:01 PM

my most-used PC is also the first time I incorporated liquid cooling into the design. I used mostly EK parts, 3 X GTX 780s hydro classified, and  - for the actual cooling - red EK fluid (the only choice at the time). Here's my question: recently I noticed that the level of coolant in the resevoir looked lower than it used to be. for the first time ever, inspiration struck and i took a sharpie and drew a mark at the water line. I kept checking back (really whenever I remembered... probably a couple times a week or so) for approx. a month. the level went down another ¾ of an inch (or so) in that time. i checked everywhere for a sign of a leak, iinside the PC and out, and found nothing. (the PC in question - btw - is running without a hiccup.) Where is the coolant going????? the only hypothesis i could come up with is that whatever makes the coolant red is separating from the plain water in the coolant and somehow t he red part is condensing.... I don't know. Dumb theory.

Any help?

 

Defanged,

 

Ditto to what YeahBleeping said. 

 

There's bound to be evaporation that occurs.

 

Since you have been regularly checking for leaks and you haven't found any, than that leaves evaporation.

 

If you are worried about running out of fluid... you can always use distilled water to bring it back to the level that you want. 

Since you already have the red dye in it... a bit of distilled water won't dilute the red color that much, but more importantly is keeping that level filled up at it's proper level. (reminds me of checking the oil in your car)



#5 defanged

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Posted 21 March 2015 - 12:12 AM

thanx guys - - i'll sleep better at night now :)



SETUP, as of 4/14 - Case: Corsair 900D full tower, PSU: corsair 1200 watts, MB: ASUS rampage IV extreme, GPU(s): 3 X Nvidia GeForce GTX 780 hydro copper classified in 3-way SLI , RAM: 64 GB corsair dominator platinum DDR3, CPU: i7 3970X extreme edition @ 3.5 GHz (hexacore), OD: ASUS blu-ray RW, Cooling: EK liquid system, incl. EK waterblock, EK fittings, EK pump, resevoir, coolant misc., generic tubing, Audio: Creative sound blaster Recon3D THX PCIE Fatal1ty Champion sound card, Storage: SSD/HD: 2 X 240 GB samsung SSD (OS - win 7 pro), 1 TB caviar black, 4 TB caviar blue.




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