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Feser One 
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Post Feser One
so i am at work, browsing around the web and saw a few threads with users using Feser One and have some seriously bad gunking, almost sludge build up issue in their loop after a few month. some of those pictures are almost too bad to believe it's true.

i personally have been using Feser One in my system for the good chunk of past 4~5 years now, i can't remember the exact. and i can only remember that in the span of those time, i've only did a full flush ONCE, that's when i replaced the old block with the Dtek Fusion V2 block. that means i've had it running 4 or so years straight without flushing. i have to say there were "some" small lint like pieces in my waterblock (Dtek Fusion V2) last month when i finally redid the whole system after all these years (new mobo, CPU, RAM), and replace the block with a new Koolance CUP380. but NOTHING like those extreme examples i saw, where one user had some complete black sludge covered all over the block after a few months. call me crazy, but consider 4+ years of continuous running in a heavily overclocked environment, a few pieces of small lint like pieces isn't too bad at all.

i know some of you use Feser one here, ie, JD. i think i even saw you made a comment somewhere on another site claiming that you've had no problem with sludge or gunk.

upon further reading and googling around the web, i came to the conclusion that it seems there is no definitive conclusion on Feser One does cause gunking, or sludge, since there're so many variables involved. it seems the plasticizer used in the tubing can also be the cause of gunk. it also seems that it doesn't matter what kind of coolant you use, the dye will separate over time, and result in some kind of build up.

anyway, i am just sharing my thoughts. as i switched over to Feser 1 a long time ago after using Distill + PTNuke that caused my loop to build up Algae. after starting Using Feser 1, i've had no problems with Algae, or corrosion. and as stated above, after 4+ years of continuous running, all i found was a few pieces of lint like build up in my dtek fusion. which, i am not completely certain is limited to Feser ONE coolant only.

anyone wanna chime in?

JD? when was the last time you flushed your system and looked into your block?

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Wed Jan 15, 2014 12:58 pm
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Post Re: Feser One
Clearly targeted at me I see ;)

I actually haven't flushed or looked at any of my blocks since filling it with UV Red Feser One like 2yr ago? (Nov 5, 2012 via viewtopic.php?f=4&t=1098) From the reservoir window, it still seemingly looks okay.

I've come to a similar conclusion though, largely that build up is the plasticizer in the tubing. It seems the trend these days is either acrylic or metal (stainless steel/copper/etc) tubing. Both sound far too difficult to install, although look amazing.

The only time I drain/clean my loop is when I buy new hardware. As such, I've bought nothing lately for my PC so it hasn't been touched.

I think those with issues likely had dirty components to begin with. Something put into the loop was contaminated and whatever bacteria it was, grew further from the heat and light and just got stuck in the micro-fins of the blocks.

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Wed Jan 15, 2014 2:30 pm
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Post Re: Feser One
what block are you currently running, still the HeatKiller 3.0?

i am thinking about switching to EK Supremacy. i got the Koolance CPU380 because the overall waterblock roundup has it on the top. but i failed to dig in further, which i later found out that for socket specific, different block performs differently. for example, the 380 performs overall the best, but for 1155, the EK Supremacy is better, and by quite a large margin. but for socket 2011, the 380 wins.

wish i could've found this out before i bought the block, now i am really itching to try the EK Supremacy. i guess maybe i'll wait a year, buy the new block, flush, and open up the 380 to see if there's any build up. only thing my current 380 differs from my old Dtek Fusion V2 was that the dtek was full copper, the 380 is nickel plated. not sure how that'll affect the overall chemistry in terms of buildup and shit.

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Wed Jan 15, 2014 2:36 pm
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Post Re: Feser One
Yeah still the HK3.0. I paid like $80 for it...fully dipped in nickel plating. I see no reason to change blocks.

And there's really that much gain between blocks? Last time I checked everything was within 1-2C of eachother and I feel as though temperatures matter less and less.

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Wed Jan 15, 2014 3:36 pm
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Post Re: Feser One
jdrom wrote:
Yeah still the HK3.0. I paid like $80 for it...fully dipped in nickel plating. I see no reason to change blocks.

And there's really that much gain between blocks? Last time I checked everything was within 1-2C of eachother and I feel as though temperatures matter less and less.



that's just it. there're so few block roundups. the only review that i saw with significant temp different was one roundup done by a guy on Xtremesystem that shows in socket 1155, temp difference between these two blocks were 5C. but socket 2011 was only 2 degree C of difference. but 5 degree is a lot. and another roundup done by another site that included all the popular blocks only did it on socket 2011 as well, that one also shows the 380i block leading by 1~2 degrees C. but i am much more interested in seeing more evidence of socket 1155.

i personally don't like nickel plating, i would much rather they just stick to bare copper. the fancier it gets, the difference in metal delta value and more likely you'll have corrosion issue. as most radiators are copper or brass, i would much rather just run a all copper block.

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Wed Jan 15, 2014 3:41 pm
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Post Re: Feser One
Nickel should be neutral and not impact thermal transfer either. All it does it prevent the cooper from corroding/discolouring.

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Wed Jan 15, 2014 6:03 pm
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Post Re: Feser One
no nickel is mostly for looks. if your loops is mostly consist of copper and brass, since copper and brass are the closest to each other on the anodic index scale about .05v from each other, if all your loop is mostly copper and brass, that's the safest. but when you add nickel to the mix, you add another .05v making total difference of .1, which is still safer than the rule of thumb of .25, but still not as ideal as full copper/brass loop.

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Wed Jan 15, 2014 7:32 pm
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Post Re: Feser One
I havent changed mine in over 2 years but plan on doing it soon. I just use distilled water and an additive for algae. My question is would it be a good idea to flush it and with what?
Plus I need to dust out the triple rad on top but to thoroughly do that it needs to be removed. Sigh
im also considering a wb for my 770 while im at it.
The EK kinda catches my eye.


Thu Jan 16, 2014 4:28 am
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Post Re: Feser One
Copper still gets discoloured. Nickel plating prevents your block from looking like shit :P

I'm sure if I'm to take the Heatkiller GPU-X3 LT block off my GTX690, the bottom surely won't be shiny clean copper anymore.

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Thu Jan 16, 2014 7:06 am
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Post Re: Feser One
discoloration comes from the dye, and no copper, or nickel is going to protect you from that. doesn't matter if you have nickel, it gets all over your tubes too. you don't get more or less coloring with a specific metal. when i flushed my system last month, the full copper block Detek Fusion V2 had no discoloration, only a few small pieces of lint like buildup. as pretty as bare copper gets. you can learn more about galvanic corrosion, on martin's liquid lab website. he talks about discoloration, corrosion, and algae. it's a good read, once you know what causes corrosion and what metal works best in your loop. basically more similar the metal property, the safer. ie brass/copper. nickel is one higher up. and it does nothing other than provide you with a shiny silver look.

Steve, you would only flush it with vinegar if there's some serious gunk, corrosion, and buildup. but if you open up your block, everything looks fine, never mind a few small pieces of lint like buildup, which goes right away after you rinse them, there's really no need to do any fancy flushing in my book. i usually just fill it with a new bottle of Feser. since you're not changing coolant, there really isn't any need to flush it with tap water or vinegar.

but DO let me know once you open up your block and share it with us, take some pictures if you can. since your loop has been 2 years, mine was 4 years, it'll be nice to see everyone's results.

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Thu Jan 16, 2014 10:02 am
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Post Re: Feser One
I meant the outside of the block. Copper tarnishes pretty quickly.

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Thu Jan 16, 2014 10:56 am
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Post Re: Feser One
well that's a different story. but that's purely cosmetic.

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Thu Jan 16, 2014 11:19 am
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