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Old 20th Dec 2016, 16:01   #1
beret21
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Easiest, fastest and most effective way to clean a copper CPU/GPU water block

Easiest, fastest and most effective way to clean a copper CPU/GPU water block

What i did ?

I posted some time back a thread related to my custom GPU and CPU water block and i cleaned them and re-installed them in my system.
But
This time my water flow literary dropped to 1-2% ( To make it easier to understand instead of getting water stream i was getting droplets of water at the loop end ). And this time it happened so fast like within a month.
As my CPU water block design is very less restrictive, i just removed my GPU from the loop so i can use my PC on integrated GPU.
Before you go further i want to let you know that i am using a Bong for my setup and thus use tap water.


Here is a pic demonstrating the gunk, plasticizer, algae AIO.( This is the worse i ever had )





Now previously i cleaned it just with a dishwasher soap having lemon as the main ingredient. This time i read on WWW and decided to go with acid cleaning.
The results are so good that it would be mean not to share it.


What was used to clean ?

This time i used toilet bowl cleaner. Yes u heard it right. The main ingredient used in this cleaner was HCL (Hydrochloric acid). I will recommend only HCL as i found it to be among the best and as its the only one i had practical exp with. It was diluted HCL but the concentration isn't know neither it was written on the cleaner.



Caution

Use gloves, Use safety glasses and work in a safe area. Don't drop it on floor or your Mum might kill you.

Steps ( How i did it )

• Open the water block we only need the copper plate to work on.
• First time i just pored 2-3 drops of the cleaner directly onto the copper plate. Started bubbling i used an old teeth brush to clean and make sure the acid reaches every part and fins.
• After that cleaned with water it was pretty clean at this point.
• Then i took a plastic blow fill it with water so that the copper plate can be fully submerged. Then i dropped 5-10 drops of that cleaner and got that pinkish solution as shown in pic.
• Let the copper plate sit in it for around 10-15 min. Then resin with water again.
• In the end i used dishwasher soap having lemon as the main ingredient. Rubbed a toothbrush on that soap and clean the copper plate thoroughly and in the end resin it again.
• To clean rest of the water block ( For acrylic pieces and fittings i used the same pink solution it cleans really quick removing all that white powder thing that is formed )

After Cleaning



A video to demonstrate in depth before and after



I need your help !

Before i put this beautiful clean and lovely water block again in my loop i want to know
There is no way i can use distilled water in my loop due to bong and with heavy system usage i evaporate about 1 liter of water daily so it would be expensive to buy distilled water 1 litr daily ?
Is there any ghetto mod/ thing used in our daily routine that can help me with algae reduction or elimination in my loop ?
What tubing doesn't produce plasticizer ? Or what that pipe or tubing is called that doesn't produce this white gunk ?

I cannot afford a copper rad they are rare and expensive here that is y i have to live with BONG ( it works awesome though) :/

Last edited by beret21; 20th Dec 2016 at 16:07.
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Old 20th Dec 2016, 16:29   #2
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Yep. This is an old trick. You have to be careful with your exposure time because the copper can turn red.
Algae remover: No light=no algae. It's possible this is bacteria though. The only option I know of that would be safe to you would be a tiny amount of bleach.
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Old 20th Dec 2016, 17:27   #3
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Wont bleach make too much bubbles and introduce air in the loop ?
And nice DP
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Old 20th Dec 2016, 18:05   #4
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I not sure about bubbles from the bleach, but it won't add air.

I am unsure what you mean by bong system, can you add a picture or link to a work log? But from your description it sounds like the system is open to atmosphere hence you high water loss.

The web is full of people arguing over if bleach in a water loop is safe or not. The main argument against is bleach is an oxidizing agent. Your nice clean copper heat sink will darken the copper, possibly even going black. High concentrations and prolonged exposure will corrode the cooper. Secondly you have an open system, so you constantly be smelling chlorine, unpleasant and unhealthy with prolonged exposure. Now the quantity of bleach you'd add to your loop might not be enough to worry about. It is your call.

Every water loop requires maintenance, it is recommend that the fluid be flushed an replaced once a year on tradition (relatively closed loop) systems. As you are having to add water daily, then you'll need to increase your maintenance cycle, possible monthly or weekly. I would suggest before you start running your loop with bleach try cleaning your loop frequently. Drain the loop, fill with cleaning solution fresh water with a mild acid (eg, vinegar) or bleach solution, run the pump for a few minutes, drain and fill with clean water.
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Old 20th Dec 2016, 19:26   #5
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Quote:
Originally Posted by Dr. Coin View Post
I not sure about bubbles from the bleach, but it won't add air.

I am unsure what you mean by bong system, can you add a picture or link to a work log? But from your description it sounds like the system is open to atmosphere hence you high water loss.

The web is full of people arguing over if bleach in a water loop is safe or not. The main argument against is bleach is an oxidizing agent. Your nice clean copper heat sink will darken the copper, possibly even going black. High concentrations and prolonged exposure will corrode the cooper. Secondly you have an open system, so you constantly be smelling chlorine, unpleasant and unhealthy with prolonged exposure. Now the quantity of bleach you'd add to your loop might not be enough to worry about. It is your call.

Every water loop requires maintenance, it is recommend that the fluid be flushed an replaced once a year on tradition (relatively closed loop) systems. As you are having to add water daily, then you'll need to increase your maintenance cycle, possible monthly or weekly. I would suggest before you start running your loop with bleach try cleaning your loop frequently. Drain the loop,. fill with cleaning solution fresh water with a mild acid (eg, vinegar) or bleach solution, run the pump for a few minutes, drain and fill with clean water
fill with cleaning solution fresh water with a mild acid (eg, vinegar) or bleach solution, run the pump for a few minutes, drain and fill with clean water<< this seems to be a nice idea for my next maintenance.
Yes its an open air system.

Heres my ugly system that i love on the right side is the bong. That tower like thing is opened from top and has a fan at top. Water flows down that tower cooled by the fan above.

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Old 21st Dec 2016, 00:30   #6
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Okay your cooler is what I thought... I simply call it a water cooling tower and depending on your design it might be an evaporative water cooling tower
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Old 21st Dec 2016, 07:13   #7
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Quote:
Originally Posted by Dr. Coin View Post
Okay your cooler is what I thought... I simply call it a water cooling tower and depending on your design it might be an evaporative water cooling tower
Exactly its an evaporation water cooling tower. As its design resembles the real bong its called bong. Back in days this thing get really popular but maintenance was the issue so people left it.
Thanks Dr. Coin for being here
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