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Still flux in my loop: Take it apart? Flush? Leave it? And what with?

post #1 of 4
Thread Starter 
Hi guys!

I've pretty much finished putting together my first water cooled rig. Here it is just after I filled it for the first time:



I was careful to rinse out my radiator (A Magicool 180mm Triple) several times, but I must not have been thorough enough: After running the system for 2-3 days, my reservoir took on a kind of white-cloudy-dusty look. I'm pretty sure that it was flux from the radiator.

Since I wanted to make a few changes anyway, I opened the loop again. After draining the fluid that was in originally, I then poured distilled water through the fill port into the system and blew into the fill port while the water poured back out the drain port. In all, I ran about a liter of distilled water through the loop. Initially, I even found some metallic stuff in the fluid that came out! Eventually, though, the water came out looking clean - however, the reservoir was still cloudy.

Now, I've ALSO had a problem with my Aquastream pump (initially I feared that I had plugged the USB wrong, but I actually think a defective Cold Cathode Light caused a short circuit) - so I've removed the pump-res combo to service the pump - and I also unscrewed the res, washed the glass out with detergent, rinsed with distilled and and wiped it down with a microfiber cloth. The res looks nice again.

However, what the do I do about the rest of the system? Can I just leave it at this point? Or should I try some kind of more aggressive cleaning - say vinegar first, then water mixed with baking soda? Or should I even tear apart the whole loop to clean each element individually?


PC Specs:
Case: Silverstone ft02
PSU: NesteQ ASM Xzero 600
MB: ASUS P8z68-V Pro,
CPU: i5 2500k
GPU: 290(x) (bios flashed to X)
2 SSDs & 1HD.

Water Cooling Specs
Rad: Magicool 180 Triple
Pump: Aquastream XT Ultra
Res: aqua computer aquainlet Pro 100ml (paired with pump)
CPU Block: aqua computer kryographics für R9 290/290X - Acetal Black
GPU Block: EK Supremacy Clear Acetal
Straight Fittings: Koolance Black 1/4 - 13/10
45° Fittings (2 of them): No Name Black Brass from aquatuning.de
Tubes: Masterkleer 13/10 UV Transparent
post #2 of 4
Hot (boiling) water through the radiator then you shake it a lot (like you would dance with it). Don`t throw the water away, empty it in something clear to check if there is any residue. Once nothing come out you can add some vinegar mixed some hot water (like 1:3) and shake it a bit to make sure everything is gone.

I usually open my CPU block to see if everything is good but I don`t clean it. Beware: CPU block is a pain to reassemble. I never used GPU block but is possible there is some kind of residue left (flux) that you saw in the water.

You didn`t include any picture so I can`t judge how bad it was but I wouldn`t mess with the pump or reservoir. The problem is likely the radiator.
Edited by Just a nickname - 4/16/14 at 6:34am
My System
(15 items)
 
  
CPUMotherboardGraphicsRAM
i7-4790k MSI Z97 Gaming 5 Sapphire R9 290X Tri-X 2x8gb ADATA 2133MHz CL10 
Hard DriveCoolingOSKeyboard
Mushkin 1 TB SSD & Samsung F3 spinpoint 1 TB MCP655A + 2 x MCP320 + EK supreme copper Win10 Corsair K70 Lux 
PowerCaseMouse
Corsair 750W Bitphenix Monstrous water cooling case Logitech G9X 
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My System
(15 items)
 
  
CPUMotherboardGraphicsRAM
i7-4790k MSI Z97 Gaming 5 Sapphire R9 290X Tri-X 2x8gb ADATA 2133MHz CL10 
Hard DriveCoolingOSKeyboard
Mushkin 1 TB SSD & Samsung F3 spinpoint 1 TB MCP655A + 2 x MCP320 + EK supreme copper Win10 Corsair K70 Lux 
PowerCaseMouse
Corsair 750W Bitphenix Monstrous water cooling case Logitech G9X 
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post #3 of 4
Thread Starter 
I just messed with the res because I wanted it to look pretty - but yeah, I wish I had taken a picture first.

So ... the idea would be to pull out the radiator and give it another couple rinses (once hot, once with vinegar mix, once more with distilled), then add it back to the system, hook up and have fun?

Oh - and my final version will be with Mayhems Pastel White - so something tells me I need to be extra careful about flushing out any vinegar ...
post #4 of 4
Well the 1:3 mix is not strong at all. All the time use hot water/mix. The radiator will get extremely hot so use towel to handle it. I block the hole with a towel too and try to shake it in a way to prevent any liquid to come out. The little bits coming out are absorbed by the towel.

Anything beside the radiator and block don't need to be cleaned (and shouldn't be). I know some people use hot but non boiling water to clean their reservoir. Low % acetic acid won't attack acrylic.
My System
(15 items)
 
  
CPUMotherboardGraphicsRAM
i7-4790k MSI Z97 Gaming 5 Sapphire R9 290X Tri-X 2x8gb ADATA 2133MHz CL10 
Hard DriveCoolingOSKeyboard
Mushkin 1 TB SSD & Samsung F3 spinpoint 1 TB MCP655A + 2 x MCP320 + EK supreme copper Win10 Corsair K70 Lux 
PowerCaseMouse
Corsair 750W Bitphenix Monstrous water cooling case Logitech G9X 
  hide details  
Reply
My System
(15 items)
 
  
CPUMotherboardGraphicsRAM
i7-4790k MSI Z97 Gaming 5 Sapphire R9 290X Tri-X 2x8gb ADATA 2133MHz CL10 
Hard DriveCoolingOSKeyboard
Mushkin 1 TB SSD & Samsung F3 spinpoint 1 TB MCP655A + 2 x MCP320 + EK supreme copper Win10 Corsair K70 Lux 
PowerCaseMouse
Corsair 750W Bitphenix Monstrous water cooling case Logitech G9X 
  hide details  
Reply
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