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post #66301 of 107782
From Monsoon in regards to them using silver plated fittings.

Quote:
Originally Posted by lowfat 
I think this may be a mistake. If someone was using all copper in their loop it would not be a problem. However most people use nickel plated blocks. Nickel and silver have a .1 separation on the galvanic chart, which will likely cause issues for the nickel. Especially since the silver is in direct contact to the nickel. EK and Koolance both advise against using silver in their loops. I am pretty sure doing so voids warranty. Something to consider. Especially since many watercoolers on other forums are expressing the same concern.
Quote:
Originally Posted by BoxGods 
Ah the Chart!

The fittings are for builders looking for maximum performance using Distilled or Deionized water which is non conductive. No fluid cools better then pure water period. It is also a buck a gallon at your local super market. Specialty fluids are a cash cow and if I was selling them I would not want people using antimicrobial silver either. The "chart" is great but it looks at mixed metals in a marine environment over long term installations--20 to 30 years--ships and oil rigs in salt water which is highly conductive. The electrical conductivity of silver also drops off rapidly as it tarnishes, (this has no effect on it's antimicrobial properties). A common sense example of this is high end gold plated audio cables--if silver is the most electrically conductive metal and is $20 an ounce why is gold used at $1,200 an ounce? Because silver tarnishes very rapidly and it's electrical conductivity eventually gets worse then copper--which is about $3 a pound or $0.20 an ounce. Try and find high end silver plated A/V cables.

If your worried about it run distilled or deionized water, (again the most efficient cooling fluid there is). If your still worried about it use a little plumbers Teflon tape on the barb threads.
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post #66302 of 107782
rolleyes.gif

because DI/distilled water doesn't become conductive relatively quickly once inside a loop!
Edited by skupples - 4/21/14 at 11:43am
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post #66303 of 107782
Quote:
The "chart" is great but it looks at mixed metals in a marine environment over long term installations--20 to 30 years--ships and oil rigs in salt water which is highly conductive.

I love Geno's designs, but losing some respect here. To discount the "chart" by putting quotes around it and say it only applies to salt water, and that distilled water isn't conductive, isn't true. Like you said yourself, the metals are in contact. When the loop is flowing there is electrical conductivity from the free anodic ions that go into the water. The chart shows potential difference in volts, that's an absolute. The interpretation may be different for salt water, but the chart isn't presuming that. We know that nickel plating has had issues in the past with silver and copper sulphate biocides. I find his response dismissive and for me, it fuels the idea that he reduced the number of types of barb to one for financial reasons, and doesn't want to address the potential for issues. If he's tested this at all, let him show the results.
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post #66304 of 107782
Quote:
Originally Posted by lowfat View Post

From Monsoon in regards to them using silver plated fittings.


Lol, they didn't really do their homework and learned from others mistakes. I know they're trying to distinguish themselves, but:

1) its been shown silver and nickel will start causing issues (i know this very well)
2) its been shown even the newest blocks will have issues
3) there's really no need to have all your fittings with silver. I think they should have offered them separately as you only really need one or two.



I'm sure they'll be doing an about face soon. Its probably an idea to infuse more "interest" in their compression fittings during the hardline/copper craze. Though, its the wrong type of interest imho.
post #66305 of 107782
Quote:
Originally Posted by bob808 View Post

Though I would post some of these here since they are wet biggrin.gif

4ogr.jpg
In case you want to see more...

*fistbump*

GO HAWKS!

-Season Ticket Holder since 2004 tongue.gif
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post #66306 of 107782
I hated the base that I used originally first wood, then converted legs, and now acrylic. this works/ looks the best I think. and bending and tapping is so easy.




post #66307 of 107782
Thread Starter 
Quote:
Originally Posted by WiSK View Post

Quote:
The "chart" is great but it looks at mixed metals in a marine environment over long term installations--20 to 30 years--ships and oil rigs in salt water which is highly conductive.

I love Geno's designs, but losing some respect here. To discount the "chart" by putting quotes around it and say it only applies to salt water, and that distilled water isn't conductive, isn't true. Like you said yourself, the metals are in contact. When the loop is flowing there is electrical conductivity from the free anodic ions that go into the water. The chart shows potential difference in volts, that's an absolute. The interpretation may be different for salt water, but the chart isn't presuming that. We know that nickel plating has had issues in the past with silver and copper sulphate biocides. I find his response dismissive and for me, it fuels the idea that he reduced the number of types of barb to one for financial reasons, and doesn't want to address the potential for issues. If he's tested this at all, let him show the results.

He is correct tho,the chart is based on seawater corrosion levels. you need a potential difference of around 300mv to start and sustain corrosion in seawater. This value increases dramatically in DI water.
The surface area exposed also plays a massive part in this,Steel rivets in a copper plate will corrode the rivets but leave the plate,this is because the rivet is small and has to deal with the difference with different intensity,Steel panels with copper rivets,even tho the difference is still there,the Steel is left largely unaffected as it is larger and can absorb the difference better. This is purely in layman's terms,I can dig out the equation if required.
However,having a plated object in a thread and expecting it to remain intact enough for the substrate not to form another cell,is a bit of a leap.
Also,you find silver plated copper cables in the aviation industry,they also have issues with corrosive behavior between the 2. Red Plague is a real problem and one that has not been solved as yet.

Silver in a well plated nickel loop is perfectly fine,Silver in a poorly plated loop is not fine. The silver leeches the copper but leaves the nickel intact,the flaking is the best indicator of this.
Edited by B NEGATIVE - 4/21/14 at 2:15pm
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post #66308 of 107782
With these pcb boards,can you run a 4 pin fan cable to mobo for control of the other fans connected to it,with molex power from psu?
Seeing that all the 4 pin fan headers are output,is this doable?

post #66309 of 107782
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post #66310 of 107782
Yeah,I saw those.Want to control the fans through mobo,but power through psu.Without using a dedicated fan controller,I guess the swiftech 8 way PWM splitter box looks like the best route,or something similar.
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