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New to watercooling, a couple of questions

post #1 of 7
Thread Starter 
I've been lurking in this and other forums for a few weeks and just installed my first loop. Here's my list of components for a CPU/mobo only loop:

Swiftech Apogee HD
XSPC RX360 radiator
XSPC dual bay split reservoir
Swiftech MCP-35X
Ek RE3 full board block for rampage 3 extreme
Using bitspower 1/2" ID 3/4" OD compression fittings only (2 are 45 degree angle fittings)
Primochill LRT tubing 1/2" ID 3/4" OD

Loop order is pump>radiator>CPU>mobo>res>pump.

I ran 6 total hours of leak testing completely out of the system (blocks and tubing only) in 2 sittings. I never noticed a leak but by the end of testing the water level was lower in the res than just after the last time I refilled. I decided it had to be small bubbles in the res collapsing. I installed everything into my case and began another leak test. After running 12 hours, the water level was again lower in the morning. The waterline was 2-3 mm lower. All paper towels were dry and qtip probing of the fittings showed no evidence of moisture.

My question is can a leak be that much and still evaporate before it wets something? Could that be further bubbles leaving the radiator or coming off the sides of the res to show that much difference? There are fewer bubbles in the res now and almost no bubbles in the tubing now.

I think it's safe to turn on my system, but I would like some input from more advanced people. I can post some pictures later, I've been taking them as I go. Thanks for any and all help or comments.
Dragon
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Dragon
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post #2 of 7
Keep doing what you're doing, adding water and checking for leaks. A leak so small that it would evaporate before dripping, would not be enough to cause the water level to drop after a few hours.
 
Liquid i5
(18 items)
 
Budget BOINCer
(11 items)
 
CPUMotherboardGraphicsGraphics
Intel i7 3930k Asus Rampage IV Gene Micro ATX LGA2011 Diamond Radeon HD 7970 Diamond Radeon HD 7970 
RAMHard DriveCoolingOS
G.Skill Ripjaws X Series 16GB (4 x 4GB) DDR3-1866 Samsung 840 Pro Series 256GB Heatkiller Waterblocks! Windows 8 Pro 
PowerCase
Seasonic X-850 Mountain Mods H2gO, black wrinkle, Left H Windo... 
CPUMotherboardGraphicsRAM
Intel i5 2500k @ 4.5ghz 1.428v Gigabyte GA-P67A-UD4-B3 EVGA 570 SC SLI@ 900/2000 1.1v G-Skill Ripjaws 16gb 
Hard DriveHard DriveOptical DriveCooling
Crucial C300 128gb Samsung F4 2TBx4 Raid5 LG Bluray Combo GPU - HK GPUx3 
CoolingCoolingOSMonitor
CPU - HK Rev 3.0 360+120 Rads, Gentle Typhoon AP-15s Win7 Pro x64 Samsung SyncMaster XL2370 
PowerCaseMouseAudio
Corsair HX750w Cooler Master HAF X Logitech G9 Razer Barracuda AC-1 
CPUMotherboardGraphicsRAM
Phenom II x4 945 MSI 790FX-GD70 3x HD 5870 G-Skill Ripjaws 2x2gb Blue 
Hard DriveCoolingCoolingCooling
Seagate 320gb CPU - XSPC Rasa GPUs - XSPC 5870 & MCW82 RS240 & EX240 
OSPowerCase
XP Pro Seasonic Platinum 860 Fractal Arc Midi 
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Liquid i5
(18 items)
 
Budget BOINCer
(11 items)
 
CPUMotherboardGraphicsGraphics
Intel i7 3930k Asus Rampage IV Gene Micro ATX LGA2011 Diamond Radeon HD 7970 Diamond Radeon HD 7970 
RAMHard DriveCoolingOS
G.Skill Ripjaws X Series 16GB (4 x 4GB) DDR3-1866 Samsung 840 Pro Series 256GB Heatkiller Waterblocks! Windows 8 Pro 
PowerCase
Seasonic X-850 Mountain Mods H2gO, black wrinkle, Left H Windo... 
CPUMotherboardGraphicsRAM
Intel i5 2500k @ 4.5ghz 1.428v Gigabyte GA-P67A-UD4-B3 EVGA 570 SC SLI@ 900/2000 1.1v G-Skill Ripjaws 16gb 
Hard DriveHard DriveOptical DriveCooling
Crucial C300 128gb Samsung F4 2TBx4 Raid5 LG Bluray Combo GPU - HK GPUx3 
CoolingCoolingOSMonitor
CPU - HK Rev 3.0 360+120 Rads, Gentle Typhoon AP-15s Win7 Pro x64 Samsung SyncMaster XL2370 
PowerCaseMouseAudio
Corsair HX750w Cooler Master HAF X Logitech G9 Razer Barracuda AC-1 
CPUMotherboardGraphicsRAM
Phenom II x4 945 MSI 790FX-GD70 3x HD 5870 G-Skill Ripjaws 2x2gb Blue 
Hard DriveCoolingCoolingCooling
Seagate 320gb CPU - XSPC Rasa GPUs - XSPC 5870 & MCW82 RS240 & EX240 
OSPowerCase
XP Pro Seasonic Platinum 860 Fractal Arc Midi 
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post #3 of 7
you will bleed air during first few days, air bubbles get trapped in rad. If you want to check for air bubbles, check your reservoir level, then turn the computer on/off. Air is compressible by our pumps, water is not. so if fluid level in res drops 1 inch or so from off to on, tells you how much relative air still in your loop.
My System
(15 items)
 
  
CPUMotherboardGraphicsRAM
6900K 4.4ghz  MSI X99A Krait Titan XP Gskill 32GB 3200 C14 
Hard DriveHard DriveCoolingOS
Samsung 960 Pro 1TB OS Samsung 850 pro 1TB games D5, XT45 280 rad, Nemesis 280 rad,  Windows 10 64bit 
MonitorPowerCase
Acer Predator XB271HU 144hz Seasonic Prime Titanium 850 Fractal Design R5 
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My System
(15 items)
 
  
CPUMotherboardGraphicsRAM
6900K 4.4ghz  MSI X99A Krait Titan XP Gskill 32GB 3200 C14 
Hard DriveHard DriveCoolingOS
Samsung 960 Pro 1TB OS Samsung 850 pro 1TB games D5, XT45 280 rad, Nemesis 280 rad,  Windows 10 64bit 
MonitorPowerCase
Acer Predator XB271HU 144hz Seasonic Prime Titanium 850 Fractal Design R5 
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post #4 of 7
Thread Starter 
Thanks for the replies. The water level has been stable over 24 hours now and my system has been turned on for ~20 of them. Very impressed with the temperature differences over air.

I'm seeing differences of 20-30 C Idle and 30-35 C at load. I think a lot of that was the fact that my case was filthy and my corsair H60 radiator was clogged with dust. I'm very happy with my setup though now. I have one more question about the reservoir. Does it matter if it is not completely full so long as the pump never runs dry? I didn't make it easy on myself to fill the reservoir in the case, lessons learned for next time I suppose. It's about half full right now.

I also wanted to show off my first work. I know its not the best, but I'm still excited by it. Thanks for the help.

400
Dragon
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Dragon
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post #5 of 7
Nice build man! What case is that?
post #6 of 7
Nice job. That should be fine having the res only half full.

I didn't allow enough slack in my loop when I put in my 5.25" res, so I took a length of tubing, and then attached my funnel to that so I could fill it up while it was mounted in my case.
post #7 of 7
Thread Starter 
It's a Corsair 800D, havent had the courage to mod the case yet. Eventually, when I replace the video cards, I hope to put a 240 radiator there to cool the cpu/mobo and run the video cards off of the 360, I just didnt want to mod it yet.

I will probably do a teardown and cleaning in a couple months just to know whats going on with the loop. At that time, I'll add more slack to allow for easier access to fill.

Doesnt matter what im doing, building this computer was fun. I'm already dreaming about changing fans (though the NF-P12's seem to be holding up ok) and how I will do it next time. One thing is certain, I will not wait until everything is inside the case to add the fittings, smile.gif.
Dragon
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Dragon
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