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Seeking opinions on a loop im planning

post #1 of 7
Thread Starter 
planning on cooling my cpu ( i7 930 ) and 2 580's

this will be my first attempt at watercooling.
everything seems to be pretty straight forward but I do have some things i'm not quite sure on.

gonna be using:

Danger Den Monsoon "Premium" D5 dual bay res/pump

2x heatkiller gpu-x3 for the gtx 580's

EK Supreme HF Universal CPU Liquid Cooling Block

Swiftech MCP655-B 12v Water Pump

Black Ice GTX Xtreme 360 Radiator

Black Ice GTX Xtreme 140 Radiator

1/2 x 3/4 tubing

compression fittings

corsair 800d


I have two concerns,

1) Do I need the 2 rad's, and if I do, Do I need a second Pump because of the flow restriction from 2 radiators.

2) What coolant should I use? I have read the benefits of premixed vs. water and clear vs. dye. It seems there are many conflicting reviews out there and I have now idea what is truth and what is fanboy worship. Thnx in advance
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post #2 of 7
1) A single 655 should be just fine for that, I wouldn't worry about a second pump. As for the 2 rads, that kind of depends on what fans you plan on using, and what water delta you consider acceptable. With 3k rpm fans, a gtx360 can handle 1000+ watts of heat at a 10C delta, or with medium-high speed fans you're looking more like 600w. If you're ok with a 10C delta, the single 360 should be fine for a cpu and 2 580's. I'd be reluctant to get the 140mm radiator, there's not a lot of high-speed 140mm fans that work well on radiators, you may get better performance with a 120mm radiator, or by using an adapter to put a 120mm fan on the 140mm rad.

2) Distilled water, for sure, and no dye IMO. None of the coolants are going to out-perform distilled water, and they're just over the top in price. Dyes can stain your parts, and some dyes are powder-based which can end up in them falling out of solution and clogging blocks. Go with colored tubing if you want color to your loop.
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post #3 of 7
I'm assuming you asking for 3 of these questions:
1) loop order
You should have res to pump order after that it doesnt matter.In 99% of watercooling systems there is no "optimal" component ordering, EXCEPT that which minimizes tight bends and overall tubing length. This is because water has very high specific heat capacity so no real difference in loop order

2)Rads and pumps
I would say yes and no. There is a slight difference if you add another 140mm rads into your loop but it is all your preference. If you got money+space, go for it, thumb.gif. For the pump, I would say no because your listed pump is able to do the job. Even with those two listed rads and loop, no need to worry much. See the link I give you for more information: http://www.overclock.net/t/1108918/what-can-my-pump-handle-a-guide

3)Coolant
Yes, I have no doubt it would be nicer if we use uv color for our coolant (looks awesome!!) but you have to take a few things into consideration.
1)May be a little bit expensive.
2)End up cleaning loops at least per 6 months/year
Again, its all depend on your personal preference IMO..
but still, if you wanna clarify on this, please read this thread:http://www.overclock.net/t/597440/a-reason-to-only-used-distlled-water

p/s: I'm not a pro and just share my 2 cents. I hope I helped you a little bit to get stuff clear. Otherwise, these links might be helpful for you:
http://www.overclock.net/t/226970/updated-water-cooling-essential-threads
http://www.tomshardware.com/forum/265776-29-read-first-watercooling-sticky

Goodluck for your watercooling setup! thumb.gif
post #4 of 7
Both radiators are good, you will need them. You shouldn't need an extra pump, and if you end up wanting one, you can always add one later.

Loop order doesn't matter at all. The temperatures will always find a stable temperature.

Use distilled water for coolant. Dyes gunk up everything. Get colored tubing if you want colors smile.gif
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post #5 of 7
Thread Starter 
Thanks for the replies,

In regards to the 140 rad, probably going to scratch that. With my 360 in push/pull, space is going to be an issue. Since the 800d doesn't have a lot of stock fan options I'll use the rad spot for an exhaust.

As long as my delta is in the mid to upper teens, I'll be happy.

Now, for the coolant. I really like the idea of a coolant that is non-conductive, (for spills and errors i might commit along the way)and if its clear, no dye clogging issues. I have seen some clear coolants that have this property but are they at least as effective as water?

BUT if distilled water is the way to go, as it seems from posts here, what would I need to add to the water to keep it nice and clear and flowing.


Also what are some basic maintenance tips you do to your loop.
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intel i7 930 Asus p6x58d premium evga gtx 580 1.5gb superclocked evga gtx 580 1.5gb superclocked 
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24 gb kingston hyper x ddr3 1600mhz  256 crucial c300 sata III cd/dvd combo air 
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CPUMotherboardGraphicsGraphics
intel i7 930 Asus p6x58d premium evga gtx 580 1.5gb superclocked evga gtx 580 1.5gb superclocked 
RAMHard DriveOptical DriveCooling
24 gb kingston hyper x ddr3 1600mhz  256 crucial c300 sata III cd/dvd combo air 
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windows 7 64 bit pro 2x dell 24" ultrasharp logitech g11 ultra x4 1200w 
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post #6 of 7
Distilled water is non-conductive, but that's slightly misleading... Any non-conductive coolant won't stay that way for long in a loop.
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MCP-350 Windows 7 64bit Samsung SyncMaster SA300 23" Filco Majestouch "Otaku" Tenkeyless 
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Samsung F4 XSPC Rasa cpu block 2x XSPC Razor 460 Black Ice GTX 360 
CoolingOSMonitorKeyboard
MCP-350 Windows 7 64bit Samsung SyncMaster SA300 23" Filco Majestouch "Otaku" Tenkeyless 
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post #7 of 7
Quote:
Originally Posted by bakageta View Post

Distilled water is non-conductive, but that's slightly misleading... Any non-conductive coolant won't stay that way for long in a loop.

QFT. Distilled water is cheap and very effective ($1.50).Distilled water is De-ionized and De-mineralized, so therefore it is essentially non-conductive. Don't buy prepackaged coolant; it's a waste of money.

Any fluid will gain conductivity overtime, nothing remains non-conductive in perpetuity. IMHO, dyes usually cause more problems then they are worth; you don't have to worry about pigment separation and gunking with distilled water.

I have soaked my components on accident, and have never suffered any permanent damage: just let 'em dry, and don't panic. If you're using distilled, it won't leave any residue or actually damage your components (usually)
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Bloodshot
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Hard DriveHard DriveHard DriveCooling
1TB Segate Barracuda 7200RPM SataIII WDC Blue 500G 7200RPM SataII Samsung 500G 7200RPM SataII Swiftech Apogee XT v2 
CoolingCoolingCoolingCooling
EK-FC6970 EN Full Cover 6970/50 Waterblock Swiftech MCR320-XP YATE LOON 120mm Medium x6 Push/Pull Swiftech MCP655  
CoolingOSMonitorKeyboard
Swiftech MCRES-Micro Rev 2 Resevoir Windows 7 64bit 37'' Vizio E371VL Logitech G110 
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