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post #1 of 4 (permalink) Old 06-25-2019, 01:26 PM - Thread Starter
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Dawn Experiment: 9 Month Update

I just wanted to drop in an update on my system.

9 Months ago I took the plunge and bought a new Case and took the plunge into full custom water cooling for the very first time because my Amazon price tracking app informed me of an unbelievable price drop in the case I had my eye's on and because the price was so low I couldn't say no and ordered it and followed it with the rest of the parts for a full custom loop shopping for all the parts during black friday, thanksgiving, cyber monday, xmas, and new years sales..

Anyways, I built the system and learned about bending tube and going through the trials and difficulties on my old PC which holds an old Intel 4770K system with the intentions of upgrading to Zen 2 when it would be released mid 2019, well still waiting on that side of the build.. but wanted to show an update on an experiment, I read on a few builds that people swore by using just pure water with bacterial growth killers as the best option for cooling fluid, so I said heck why can't we use antibacterial soap... I mean if you kill all the bacteria in the water, how can anything grow in the system.. so I figured I would be taking this system apart in the very near future.

Anyways, was curious how the system was doing, so i took one of my empty distilled water bottles and drained the system of all its fluids the best i could through the drain valve, took the CPU block apart while i had it off, because i wanted to check thermal paste on the CPU as i had been seeing a few degrees higher than usual temps on the CPU during idle. Saw nothing wrong, applied new thermal paste and filled the system back up with the same fluid i took out, because i wanted to see long term how it held up....

The system is running 100% distilled water with an entire 8oz container of dawn ultra dish soap I bought from the target travel size section for 50cents...

I see absolutely ZERO growth.....

Idle Temp: 21c
Gaming Temps: CPU 41c Max, GPU 27c Max
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post #2 of 4 (permalink) Old 06-25-2019, 03:30 PM
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...really nice man, specially for the environment when you only use antibacterial Soap and destillated water for cooling.

this one here ?
https://smartlabel.pg.com/0003700097...ml#ingredients
And you've put in all of it?

good night fox

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post #3 of 4 (permalink) Old 06-25-2019, 04:48 PM
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Nice!!!!

I wasn't so lucky when I have tried that few years ago. I used Down clear with distilled water in one of my test systems and after I think 1-2 months my system got clogged.

I believe you can archive the results you've posted but there is some condition to avoid issues (clogging of any kind).

If you look at any dish soap top portion of a spout , especially if you spill some and leave it for few days without cleaning, it becomes a gooey and thick.

If you run your system everyday you probably would be fine and also depends on your systems size and how you run your pumps, but if you leave your system off for few days and if you have digital flow meter you might know this that your flow rate will slowly decrease and as fanny this might sound that soap should disperse in water but it won't completely, especially in cold water and the viscosity of water will become thicker and you might end up with some issue.

Also, there are some bacteria that eats soap for breakfast, so again, where your system is placed e.g. direct sun or darker place because some micro bacteria actually prefer darkness to grow so its a matter of luck really.

Bottom line... it can work, but there is some "doubts" and you taking a risk of making mess is your loop(s)
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post #4 of 4 (permalink) Old 06-25-2019, 11:52 PM - Thread Starter
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Quote: Originally Posted by NewUser16 View Post
Nice!!!!

I wasn't so lucky when I have tried that few years ago. I used Down clear with distilled water in one of my test systems and after I think 1-2 months my system got clogged.

I believe you can archive the results you've posted but there is some condition to avoid issues (clogging of any kind).

If you look at any dish soap top portion of a spout , especially if you spill some and leave it for few days without cleaning, it becomes a gooey and thick.

If you run your system everyday you probably would be fine and also depends on your systems size and how you run your pumps, but if you leave your system off for few days and if you have digital flow meter you might know this that your flow rate will slowly decrease and as fanny this might sound that soap should disperse in water but it won't completely, especially in cold water and the viscosity of water will become thicker and you might end up with some issue.

Also, there are some bacteria that eats soap for breakfast, so again, where your system is placed e.g. direct sun or darker place because some micro bacteria actually prefer darkness to grow so its a matter of luck really.

Bottom line... it can work, but there is some "doubts" and you taking a risk of making mess is your loop(s)

That is interesting.... but i read about 1 other stating they had that issue and multiple people stated it was a leak in the system allowing it to vent to atmosphere, otherwise it should never goe up in a sealed closed loop

I have not experienced any sludging or goeing up personally, my system typically goes to sleep between uses, but the pumps stay on as they are controlled by the corsair commander.

I have a dual pump setup because when i was going through the planning of the build, so many people told me to keep a spare on hand as backup, so I figured instead of keeping a spare on hand I would go directly to a dual pump setup due to how large my case is, was really unsure if the number of devices and tubing would cause difficulty for the pumps, so i installed dual D5 pump setup from EK and run them both @ 30%, which makes them completely silent. When i tested the system running on 1 single pump to know if one of the pumps would die, the water temps would only increase to high 30s to low 40s idling and gaming was still possible pulling the temps up into the 70s on a single D5 running @ 30%.

The system consists of 4 x XSPC RX480's with 24 x Noctua NF-P12 redux-1300 PWM fans on the rads... with intake fans running idle 650rpms and exhaust fans running idle 300rpms. I went this route to induce a positive pressure in the system and have always liked the quality of Noctua fans, which I really am because when they are running full 100% (1300 rpms) I can just barely hear them audibly, which is setup on a ramping effect based on coolant temps.

For tubing, I'm running 16mm setup as I wanted the largest I could to reduce backpressure and promotor better flow if possible


In regards to your question, "https://smartlabel.pg.com/0003700097...ml#ingredients"

Yes that is the one i used im pretty sure, it was 8oz container, blue in color and just said Dawn Ultra travel size on it...

I didn't plan on using an entire bottle, but when I added it I would see bubbles and off-gassing in the system the first few days, so I kept adding it tell I stopped seeing both and at that point, I was already 3/4 of the bottle deep into the system, so I poured the remaining into the system and topped off the distilled water to the top of the res and left the top res plug just slightly loose to prevent any additional pressure building up in the system, then after about 2 weeks I tightened the plug and that's how its been since..
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