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Old 22-06-12, 03:35 PM
MikeGT2 MikeGT2 is offline
Join Date: Apr 2012
Posts: 35

I have a fairly large loop and wanted to ensure that all metals that have been used should not cause me any concern.

What made me think about this more in depth was a small printed sheet of paper that I recently got with an EK water block. Which is...

EK FC7970 DCII Full Cover Waterblock for ASUS design Radeon HD 7970 DirectCU II Graphics Card : EN Nickel Acetal

- Base Material Nickel

- Top Material Acetal

Here is what the paper said:

I also read on the Koolance web site this....

Koolance's product warranty does not cover the use of 3rd-party coolants, coolant additives, or corrosion. Koolance LIQ-702 or LIQ-705 coolants are strongly recommended to help avoid issues with mixed metals or biological growth. Additionally, do not use aluminum with bare (unplated) copper or bare (unplated) brass in the same system. Do not use silver with nickel in the same system.
The Silver with Nickel I was also concerned about.

Here is what I have...

Koolance RP-452X2 Dual 5.25in Reservoir V2.0

- The materials used on this reservoir are a classic mix of Acetal, aluminium and acrylic.


Koolance HX-240HL

- Copper Fins, Brass Construction

Koolance CU1020V

- Copper Fins, Brass Construction

XSPC RX Series

- Copper Fins, Brass Construction


XSPC Rasa CPU Waterblock

- Base Material Copper

- Top Material Acetal


Koolance VID-AR797

- Base Material Nickel Plated Copper

- Top Material Nickel Plated Copper & Acetal


Koolance Dual VID Connector Adjustable 2-3 Slot

- made of brass

Koolance 1/4" Thread Black Barb for 1/2"

- Nickel Coated Brass

Koolance 1/4" Thread Rotary 45 Degree

- Nickel Plated Brass

Koolance 1/4" Thread 90 Degree Rotary

- Nickel Plated Brass


Silver Kill Coil (in res)

Should I remove the Silver Kill Coil? To prevent issues with Nikel?

The silver coil has a discolouration to it which as far as I know is normal as this is the protection build up (?)

Is there any potential threat to what I have in my loop corrosion wise?

Any advice great fully appreciated.

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Old 22-06-12, 03:38 PM
ruthless_villain's Avatar
ruthless_villain ruthless_villain is offline
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Join Date: Jan 2011
Location: Bradford
Posts: 2,047
why not just use a premix like mayhems? save yourself the trouble
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Old 22-06-12, 04:36 PM
MikeGT2 MikeGT2 is offline
Join Date: Apr 2012
Posts: 35
hm, well that's a work around and more of a way out of knowing if there are any underlining issues.

I'd sooner know.
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Old 22-06-12, 04:56 PM
Murphyslaw Murphyslaw is offline
Join Date: Apr 2012
Location: Australia
Posts: 170
most of what is said above i am unsure how people think they will react.

Your silver coil will be fine with the copper... as both are solid.

the copper (II) sulphate will not react with the silver.

distilled water won't cause corrosion with nickel... it's not like iron that corrodes very well with water and air.
current rig

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Old 23-06-12, 04:04 PM
MikeGT2 MikeGT2 is offline
Join Date: Apr 2012
Posts: 35
I thought it was the Nikel plating and silver that they say is the issue?

Here is something that makes me wonder...

If you move to 2:30 in this video..
Is this not a new res from EK?

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Old 12-12-12, 09:20 PM
wizkid1331 wizkid1331 is offline
Join Date: Dec 2011
Posts: 3
I have been using the XSPC Rasa 360 kit with a nickle GPU block and a silver kill coil for 2 years. I have not seen anything that concerns me with the cooling loop. I know this is not very scientific but I have no issues with these components.
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