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All The Help Will Be Appreciated: Water Cooling Questions ?

post #1 of 5
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I promised myself this will be the final thread I make on water cooling Only if i get all my questions answered This will be my very first water cooling system so I have plenty of questions and all the help will be appreciated. Ok so I have read and seen video tutorials for the past month or so and my questions are

Reservoir and Pump Combo: Are these good or batter getting separate pump and reservoir I have seen this combo http://www.specialtech.co.uk/spshop/...pid-10479.html is it any good ? I also was looking at this combo http://www.specialtech.co.uk/spshop/...pid-11202.html but I understand the pump has a 3/8 thread not a 1 /4 even though this ones 18w and the first ones 12W

Radiator: I have a Cooler master Haf X PC case and was thinking of going with a 360mm radiator I will just be cooling my CPU not graphics card I have seen thick radiators but with my case I only get to do a pull configuration with a thick radiator but with a thin 360mm radiator I will be able to do a push/pull configuration with the 120mm fans so what would be batter ?

Tubing: Does it matter if the tubing is bigger I wanted to get a 7\\16" ID - 5\\8" OD (11-16mm) Tubing but is there any advantage of getting a 1\\2" ID 3\\4" OD (13-19mm) Tubing ? This is the biggest I think it gets

Tubing Order: Also what order should the tubing be in for max cooling performance what I mean is the reservoir/pump combo should the OUT be going to the water block IN ? and water block OUT to Radiator IN etc ... ?

Fittings: I want compression fittings so just to confirm if I get a 7\\16" ID - 5\\8" OD (11-16mm) Tube I would need 7\\16" ID - 5\\8" OD compression fittings correct ?

Draining: Whats the best or easiest method of draining out the water from the system without needing to tilt my case upside down or moving it around ? I saw some where online you need a fitting shaped like a T and some kind of a blocker ???


Water/Coolants: I have heard that distilled water is the best and adding a Silver Kill Coil I have seen This http://www.specialtech.co.uk/spshop/...-pid-4573.html would this be ok ? and would I need to add a silver kill coil or biocide drops in this ? I no there are Premix UV Coolants Non Conductive that say they already have stuff inside them to protect your water cooling system but still am not confident I rather get a coloured tube then a coloured coolant

Those are my questions as I said before all the help will be appreciated Thanks.
post #2 of 5
Reservoir/pump combos are nice because they save space, but a hassle if the pump goes out... so it it really just depends on what you want. Sometimes it is annoying to find a place to install a pump, so either is fine. If you are looking to upgrade the pump later down the line get a separate one.

While push/pull is the best fan setup... pull is better than push. IMHO, I'd go thicker push/pull + thin rad, but that is just me (for a water cooling guy, I still like my air flow lol)

Tubing, if you pump will push it, get bigger. But too big of tubing, and not enough pressure... well that just is bad situation. I usually say, go with the native of the pump (condensers and expanders are bad news).

Order makes very little difference. You always want res -> pump (because the pump should always have water in it when turned on. In a single loop, block and res order makes very little difference because the entire sequence will eventually reach an equilibrium. I personally like to put blocks right after rads, but that is just me.

Yes your fittings should match your tubing (some say get bigger, but my compression fittings are the exact same size as my tubing and it works fine and has never leaked)

Some say get the little drain valves (koolance seems to make one of the better ones) however all you have to do is be able to remove one part of your loop and take it out of the case and below everything else in the loop and gravity will do the work.

Distilled water + kill coil or PT nuke are the cheapest way to go. I'm a believer in nanofluids, but hey that's just me...
    
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post #3 of 5
Ok...

The XSPC pump/res combo is alright, but I would really recommend going with a Laing 18W and that reservoir. XSPC has had some bad rep with pumps, and LAING has been one of the most trusted in the WC business.

Doing a push/pull configuration is not really worth it. Get a good radiator and a set of good fans, and you should be fine. At most, push pull will just give you maybe 2 degrees better.

Tubing size doesn't affect performance at all. It's all up to your own personal preference. I personally like 3/8" tubing, since it looks cleaner, but it's all up to you.

Assuming this is a CPU only loop, it should go

Pump - Radiator - CPU block - Reservoir - Pump

Keep in mind that the reservoir should always be higher than the pump.

You're right about compression fittings. Compression fittings must be the exact ID and OD as the tubing that they're using, or else the mechanism will not work.

You can make a drain port right under your reservoir if you want. It's basically just a T like you mentioned. It takes a bit to drain, but it's not that long.

You're right about the coolant choice. Most pre-mixes have been known to clog up your block and leave them useless. Colored tubing, distiled water, and a piece of silver will do the trick.

You don't necessarily need a silver kill coil, just a piece of silver at your reservoir so that all of the water that is flowing through your loop has suspended silver ions in it.

If you can't find distiled water, try some laboratory grade DI water. Should work just as good.
post #4 of 5
Quote:
Originally Posted by Jon Lajoie View Post
Ok...

The XSPC pump/res combo is alright, but I would really recommend going with a Laing 18W and that reservoir. XSPC has had some bad rep with pumps, and LAING has been one of the most trusted in the WC business.

Doing a push/pull configuration is not really worth it. Get a good radiator and a set of good fans, and you should be fine. At most, push pull will just give you maybe 2 degrees better.

Tubing size doesn't affect performance at all. It's all up to your own personal preference. I personally like 3/8" tubing, since it looks cleaner, but it's all up to you.

Assuming this is a CPU only loop, it should go

Pump - Radiator - CPU block - Reservoir - Pump

Keep in mind that the reservoir should always be higher than the pump.

You're right about compression fittings. Compression fittings must be the exact ID and OD as the tubing that they're using, or else the mechanism will not work.

You can make a drain port right under your reservoir if you want. It's basically just a T like you mentioned. It takes a bit to drain, but it's not that long.

You're right about the coolant choice. Most pre-mixes have been known to clog up your block and leave them useless. Colored tubing, distiled water, and a piece of silver will do the trick.

You don't necessarily need a silver kill coil, just a piece of silver at your reservoir so that all of the water that is flowing through your loop has suspended silver ions in it.

If you can't find distiled water, try some laboratory grade DI water. Should work just as good.

Good advice.

Laing pumps are extremely reliable. If you have the space, I would get a seperate pump and res.

As for push pull, I beleive push is better than pull. It is always better to have both if you can fit it. I believe you can fit push pull IF your push fans were mounted externally. I did this with my 120mm radiator at the bottom of my case. Because my psu cables were so tightly packed in I could not fit both push/pull fans in the case so I mounted the push fan outside the case.

As others have said, tubing size doesnt affect performance too much. I personally like 7/16 x 5/8 because it kinks less than the 1/2 x 5/8. Also I beleive the compression fittings are cheaper for 7/16 tubing than 1/2 x 3/4 tubing, probably because they are bit smaller and use less material for manufacturing.

And yes the size of the fittings has to match the tubing size.

Kill coil is strongly recommened unless you have fittings that are 99% silver plated or other silver in your loop.

Distilled water will perform better than any other premixed coolant. But I have heard that adding small amounts of coolant to the distilled will prolong the life of your pump. I personally just use plain distilled water.
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post #5 of 5
Using a bit of dish soap, maybe 1-2 drops in your water will help lubricate your pump at first.

As for push/pull, I remember someone here, maybe Martin, saying that they were about the same. Sometimes pull will be better, sometimes push.

Me personally, Push. It's more of a psychological thing.
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