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post #2331 of 3060
Quote:
Originally Posted by doyll View Post

I usually use a sink of hot water with dishwashing machine detergent in it. Letting it soak for awhile allows all the oils and such that collect on things over time to soak off. Slosh it around every few minutes helps

When you are sure it's all cleaned out, rinse with hot water, shake out as much as you can and set in a warm sunny place to dry. If your water is hard and you don't want any water-spots on the finish, do a final rinse with distilled water.

By hot water I mean as hot as you can keep your hand in it, not boiling hot. tongue.gif
I use dishwashing detergent because it has much stronger cleaning powers than normal hand washing detergent. wink.gif

A fan or hair drying can be used to speed up the drying process.

Hello @doyll,

I have applied your suggestion but it did not work... I don't know why... frown.gif

Specifically, I sunk my NH-U14S inside a bucket of warm water in which I have added dish washing liquid, this one. I left it for twenty minutes in total in there, while I was sloshing the cooler every five minutes for a little while. Then I washed it out with water from the shower. And finally I have rinsed distilled water on it. Right afterwards I have blew it with my vaccum cleaner, I use a Nilfisk, a very decent one, and after that I blew it with a hair dryer, as well!

The result is nearly the same as shown in the pictures I've posted earlier. This thing did not go away frown.gif

- What is the problem, why didn't it go away, and what can I do further?
- Do you think that a total of twenty minutes was not enough to do the job? If so, how much time should I leave it?
- Should I use vinegar and rub it gently with an old toothbrush I have, you think? Will this cause damage to my cooler?

Finally, one comment: it has been suggested earlier that this might be the result of hard water and something about "a thin coat of dust" been dried there... I do not know about "hard water" but it seems impossible to me that any "coat of dust" was left dried on there...because the few times I have used water to clean this air cooler, the shower in my bathroom was pouring SO MUCH water on it and with such pressure that I find it unbelievable that any remains of dust have remained there! And by the way, my environment, my room, is very clean, I do not own any pets, and when this cooler was in use my chassis and my computer in overall were kept very clean, as usual!

So, is it possible that this might be something on the metal of the cooler itself?

Thank you and pardon for my English.
Edited by LostParticle - 5/2/16 at 2:07am
    
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post #2332 of 3060
My bad. What you are doing isn't 'cleaning' as much as trying to remove oxidation / corrosion from the fins. Also, for 'cleaning' I usually use dish-washer machine detergent, not hand washing dish detergent.

There are several solutions made to do this, like those sold in automotive supply places to clean alloy wheels. I'm not sure which one would work best.
post #2333 of 3060
Quote:
Originally Posted by doyll View Post

My bad. What you are doing isn't 'cleaning' as much as trying to remove oxidation / corrosion from the fins. Also, for 'cleaning' I usually use dish-washer machine detergent, not hand washing dish detergent.

There are several solutions made to do this, like those sold in automotive supply places to clean alloy wheels. I'm not sure which one would work best.

Aha!! I knew it!

I knew that this could NOT possibly be "some thin coat of dust", (say what??? with so much water poured on it?!), been dried on there!...

Okay, thank you @doyll, my next step will be to contact Noctua Technical Support and ask them IF something can be done. Last time I've used this cooler I have not observed any kind of degradation in its performance due to this matter. I will use it again after a few days though. In an open air rig with my new thermal compound which I am expecting to receive soon: the Thermal Grizzly Kryonaut! It will become clear then IF this has any effect in the cooler's performance.

When I will finally set up my system I will post my stress testing results in your "Ways to Better Cooling" thread, with a couple of pictures, as well.

Thank you, have a nice day. thumb.gif

PS_1 : I did not use dish washing machine detergent simply because I do not own one and thus its detergent
PS_2: I realize, of course, that this "oxidation / corrosion" is my responsibility, most probably insufficient drying from the last time I've washed it... Kind of surprising, it feels to me, that the 2 x NF-A15 fan setup I always use with this one, has not blown the remaining "drops" of water, away... Dunno................
Edited by LostParticle - 5/2/16 at 3:38am
    
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post #2334 of 3060
Quote:
Originally Posted by LostParticle View Post

Aha!! I knew it!

I knew that this could NOT possibly be "some thin coat of dust", (say what??? with so much water poured on it?!), been dried on there!...

Okay, thank you @doyll, my next step will be to contact Noctua Technical Support and ask them IF something can be done. Last time I've used this cooler I have not observed any kind of degradation in its performance due to this matter. I will use it again after a few days though. In an open air rig with my new thermal compound which I am expecting to receive soon: the Thermal Grizzly Kryonaut! It will become clear then IF this has any effect in the cooler's performance.

When I will finally set up my system I will post my stress testing results in your "Ways to Better Cooling" thread, with a couple of pictures, as well.

Thank you, have a nice day. thumb.gif

PS_1 : I did not use dish washing machine detergent simply because I do not own one and thus its detergent
PS_2: I realize, of course, that this "oxidation / corrosion" is my responsibility, most probably insufficient drying from the last time I've washed it... Kind of surprising, it feels to me, that the 2 x NF-A15 fan setup I always use with this one, has not blown the remaining "drops" of water, away... Dunno................
The dish soap rather than machine detergent makes sense.
Look forward to seeing your results. I have not used any of the Grizzly TIM products yet.
Do you live in a humid climate? That is usually the reason components oxidize of unprotected metals. In the future you might consider getting plated coolers, like Phanteks, Thermalright, Cryorig, etc. It makes little to no difference in performance and protects aluminum and copper from oxidation. wink.gif
post #2335 of 3060
Quote:
Originally Posted by LostParticle View Post

Aha!! I knew it!

I knew that this could NOT possibly be "some thin coat of dust", (say what??? with so much water poured on it?!), been dried on there!...

Okay, thank you @doyll, my next step will be to contact Noctua Technical Support and ask them IF something can be done. Last time I've used this cooler I have not observed any kind of degradation in its performance due to this matter. I will use it again after a few days though. In an open air rig with my new thermal compound which I am expecting to receive soon: the Thermal Grizzly Kryonaut! It will become clear then IF this has any effect in the cooler's performance.

When I will finally set up my system I will post my stress testing results in your "Ways to Better Cooling" thread, with a couple of pictures, as well.

Thank you, have a nice day. thumb.gif

PS_1 : I did not use dish washing machine detergent simply because I do not own one and thus its detergent
PS_2: I realize, of course, that this "oxidation / corrosion" is my responsibility, most probably insufficient drying from the last time I've washed it... Kind of surprising, it feels to me, that the 2 x NF-A15 fan setup I always use with this one, has not blown the remaining "drops" of water, away... Dunno................

You do know that a heatsink gets quite hot right? That anything that sits on the fins pretty much bakes itself on, same with radiators that get hot enough. A combination of dust and hard water you end up with corroded aluminum fins. Corrosion happens from whatever is in the water mixing with elements and what not. Why do you think distilled water is what you use in water cooling, no impurities, no corrosion.
    
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post #2336 of 3060
Quote:
Originally Posted by doyll View Post

The dish soap rather than machine detergent makes sense.
Look forward to seeing your results. I have not used any of the Grizzly TIM products yet.
Do you live in a humid climate? That is usually the reason components oxidize of unprotected metals. In the future you might consider getting plated coolers, like Phanteks, Thermalright, Cryorig, etc. It makes little to no difference in performance and protects aluminum and copper from oxidation. wink.gif

Yeap, I'll make sure to post the results; this will most probably take place on the next weekend because I need the current system for an important Skype call this week. I'm not sure, however, IF I will get into the trouble of installing it with Noctua's NT-H1 first, stress-test, and then repeat with the Kryonaut... We will see...

- IF I were to purchase a new Air CPU cooler today I'd most probably get this one.
- I've already contacted Noctua and got a ticket. I hope they will reassure me everything is OK with my cooler and that I won't need purchasing a new one.
- I really believe that it was my fault not drying it thoroughly...
- IMPORTANT: so, according to your opinion, should I use dry cleaning ONLY with this cooler? Like simply blowing the dust out of it, without ever using water?

Not sure if I should say / think this but...
Warning: Spoiler! (Click to show)
If this was Corsair I am 99% sure that they would suggest me immediate replacement of the cooler! (it has happened to me)... I don't know if Noctua can be so generous..........

Edited by LostParticle - 5/2/16 at 10:49am
    
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post #2337 of 3060
Quote:
Originally Posted by LostParticle View Post

Yeap, I'll make sure to post the results; this will most probably take place on the next weekend because I need the current system for an important Skype call this week. I'm not sure, however, IF I will get into the trouble of installing it with Noctua's NT-H1 first, measure, and then with the Kryonaut... We will see...

- IF I were to purchase a new Air CPU cooler today I'd most probably get this one.
- I've already contacted Noctua and got a ticket. I hope they will reassure me everything is OK with my cooler and that I won't need purchasing a new one.
- I really believe that it was my fault not drying it thoroughly...
- IMPORTANT: so, according to your opinion, should I use dry cleaning ONLY with this cooler? Like simply blowing the dust out of it, without ever using water?

Not sure if I should say / think this but...
Warning: Spoiler! (Click to show)
If this was Corsair I am 99% sure that they would suggest me immediate replacement of the cooler! (it has happened to me)... I don't know if Noctua can be so generous..........

They wont replace something thats not fault, Corsair wouldnt do it either trust me. Its pretty much corrosion caused by hard water. Try it on a dirty pot and dont let it dry fully once it evaporates youll get nothing but hard water stains.
    
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post #2338 of 3060
Quote:
Originally Posted by bluej511 View Post

You do know that a heatsink gets quite hot right? That anything that sits on the fins pretty much bakes itself on, same with radiators that get hot enough. A combination of dust and hard water you end up with corroded aluminum fins. Corrosion happens from whatever is in the water mixing with elements and what not. Why do you think distilled water is what you use in water cooling, no impurities, no corrosion.
What temperature do you consider 'quite hot' ? The heatpipes are the hottest part .. maybe 30c .. which to most of us is only 'warm' to the touch.
Fluid in heatpipes vaporized at quite low temperatures so the pipes are not at all high temperature. Combine this with the vapor condensing back into liquid in outer sections of pipes and cooling more as it is wicked back to heat source and temps are even lower.
Quote:
Originally Posted by bluej511 View Post

They wont replace something thats not fault, Corsair wouldnt do it either trust me. Its pretty much corrosion caused by hard water. Try it on a dirty pot and dont let it dry fully once it evaporates youll get nothing but hard water stains.
Comparing Noctua customer service and Corsair in same sentence is unacceptable. thumbsdownsmileyanim.gif
Noctua support customers out of respect
Corsair does it almost totally because laws require it. tongue.gif


Email Noctua and they respond with helpful advice or replacements. Email Corair and you llkely will not even get a reply. wink.gif
post #2339 of 3060
Quote:
Originally Posted by bluej511 View Post

You do know that a heatsink gets quite hot right? That anything that sits on the fins pretty much bakes itself on, same with radiators that get hot enough. A combination of dust and hard water you end up with corroded aluminum fins. Corrosion happens from whatever is in the water mixing with elements and what not. Why do you think distilled water is what you use in water cooling, no impurities, no corrosion.

Look, I do not have any reason to doubt you, challenge you, contradict you or debate with you. I believe you, if you wish!

In short, two things:

1) Yeah, a heatsink can probably get pretty hot, but in my system I never observe such high temperatures simply due to my usage. Besides stress testing when setting a new O/C, I do not stress my system almost at all, in my everyday use. Additionally, this specific Noctua cooler has 99% of the time been used in an open-air system. So, I touch the fins now and then. Not all the time but I've touched them. I have never felt anything...baking...boiling or something like that. Again, due to my usage.

2) I agree with you that my Noctua is not faulty and I have already admitted that - its current condition - is my fault. When it comes to Corsair though, here is FACT: around September 2015 Corsair has replaced my H110 due to the following "issue":
Warning: Spoiler! (Click to show)




Now, this was not an issue and my H110 was working fine with this! They HAVE INDEED offered however to replace it!

This is why I will remain Corsair's Loyal customer (and I already own three fine products from this company!)
Edited by LostParticle - 5/2/16 at 10:52am
    
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Samsung 850 EVO 250 GB SanDisk Extreme Pro 240GB Samsung 840 PRO 128GB Plextor PX-128M5S 128GB 
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WD 1002FAEX 1TB Caviar BLACK (in enclosure) Noctua NH-D15S Corsair H110 2 x Noctua NF-A14 industrialPPC-2000/3000 PWM ... 
CoolingCoolingCoolingOS
Case Fan: 1 x Noctua NF-A14 PWM (rear, exhaust) Case Fan: Noctua NF-S12A PWM (front, intake) Case Fans: 2 x Noctua NF-S12A FLX (front, intake) Windows 10 Pro 64 bit 
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Microsoft Ergonomic keyboard 4000 Corsair AX760 (Platinum); EVGA SuperNova 750 G2 Corsair Air 540 Asus Xonar Essence STX II 
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Samsung 850 EVO 250 GB SanDisk Extreme Pro 240GB Samsung 840 PRO 128GB Plextor PX-128M5S 128GB 
Hard DriveCoolingCoolingCooling
WD 1002FAEX 1TB Caviar BLACK (in enclosure) Noctua NH-D15S Corsair H110 2 x Noctua NF-A14 industrialPPC-2000/3000 PWM ... 
CoolingCoolingCoolingOS
Case Fan: 1 x Noctua NF-A14 PWM (rear, exhaust) Case Fan: Noctua NF-S12A PWM (front, intake) Case Fans: 2 x Noctua NF-S12A FLX (front, intake) Windows 10 Pro 64 bit 
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post #2340 of 3060
Quote:
Originally Posted by LostParticle View Post

Yeap, I'll make sure to post the results; this will most probably take place on the next weekend because I need the current system for an important Skype call this week. I'm not sure, however, IF I will get into the trouble of installing it with Noctua's NT-H1 first, measure, and then with the Kryonaut... We will see...

- IF I were to purchase a new Air CPU cooler today I'd most probably get this one.
- I've already contacted Noctua and got a ticket. I hope they will reassure me everything is OK with my cooler and that I won't need purchasing a new one.
- I really believe that it was my fault not drying it thoroughly...
- IMPORTANT: so, according to your opinion, should I use dry cleaning ONLY with this cooler? Like simply blowing the dust out of it, without ever using water?

Not sure if I should say / think this but...
Warning: Spoiler! (Click to show)
If this was Corsair I am 99% sure that they would suggest me immediate replacement of the cooler! (it has happened to me)... I don't know if Noctua can be so generous..........
I think the Olymp is a good cooler, but have not tested one yet. I do not know if the fins are plated or not.
I doubt cooling ability is compromised much, if at all.
Thorough drying is necessary.
I blow out mine maybe once a year, but I use filtered cases so not much dust gets in. Being a non-smoker in a smoke free environment there is not much in the air to collect on things.

Did Corsair give you a free replacement? If they did I'm very, very surprised.
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