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Coolant question - can I use this car coolant?

post #1 of 117
Thread Starter 
I'm wondering if it's safe to use this specific car coolant. Car coolants are known to keep the loop clean and are going through lots of testing.

http://www.nulon.com.au/products/Cooling_Systems/.VVvchp-GTMI

I'm asking this because I'm thinking of switching from my EK coolant to distilled water, however, I do not know where to get anti-corrosion additive to the distilled water.


EDIT: Is there an ANTI-CORROSION additive which is not glycol based that can be safely used with Acrylic products?
Edited by Gil80 - 6/20/16 at 12:10am
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post #2 of 117
Just keep all your fittings the same materials (copper or stainless steel) and use Nuke PHN with distilled water. Don't use automotive coolant because the ethylene glycol in the solution will damage the seals on your pump.
post #3 of 117
Thread Starter 
Quote:
Originally Posted by irced View Post

Just keep all your fittings the same materials (copper or stainless steel) and use Nuke PHN with distilled water. Don't use automotive coolant because the ethylene glycol in the solution will damage the seals on your pump.

my fittings are all chrome/nickel plated but the core is copper I think.
my entire loop has copper/brass/nickel plated materials.

I don't have where to buy Nuke PHN from in Australia. But I can buy Mayhem's Biocide Extreme (https://www.ple.com.au/Products/610534/Mayhems-15ml-Biocide-Extreme)
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post #4 of 117
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post #5 of 117
I have been using antifreeze in my systems for twenty years now, but if that is too extreme I would suggest wetter water witch is a anti corrosive additive, and distilled water. my personal preference is 50% antifreeze, 30% distilled water, and 20% wetter water.

http://www.overclock.net/t/1584867/tec-vacuum-chamber-build-log
http://www.overclock.net/t/1573189/serial-vs-parallel-9-6lpm
here are a couple of the builds that I have done.
Edited by toolmaker03 - 6/19/16 at 10:09pm
post #6 of 117
Quote:
Originally Posted by irced View Post

Just keep all your fittings the same materials (copper or stainless steel) and use Nuke PHN with distilled water. Don't use automotive coolant because the ethylene glycol in the solution will damage the seals on your pump.
where did you get this BS from, if it where true, than maybe you could explain to me why my D5 pumps last for 10 years, and I have never had to replace a seal on any of them.
post #7 of 117
Quote:
Originally Posted by toolmaker03 View Post

where did you get this BS from, if it where true, than maybe you could explain to me why my D5 pumps last for 10 years, and I have never had to replace a seal on any of them.

Its mostly myth. XD

Pumps dont have seals on the impeller. At most its a seal on the shaft, and made from teflon which is chemically non reactive with PEG or PPG. In practice, PEG/PPG are lubricants.

There are also pumps with no seals. The stator is sealed in plastic and the floating (or bushed) magnetic assembly is fully submerged in coolant.
Edited by KarathKasun - 6/19/16 at 10:34pm
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post #8 of 117
Quote:
Originally Posted by KarathKasun View Post

Its mostly myth. XD

lol tongue.gif I know, I have been using antifreeze for 20 years, and have never had it damage any of my systems.
post #9 of 117
Thread Starter 
I can't get wetter water in Australia. If it's glycol based, I think I cannot use it since my tube res is acrylic based.
Is there any other type of anti corrosion additive I can use?

I don't want to buy specialised coolants from EK and such since they are expensive on the long run. But I know that distilled water + biocide is not enough due to the mixture of metals (bass/copper/nickel plated).
Is there something else you can recommend?

I know people are running only distilled water to avoid all the dyes and stuff the manufacturers add, but no one mentions anti corrosion additives, only biocide or kill coil. I do have kill coil but I don't want to add another metal to the mixture.
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post #10 of 117
Quote:
Originally Posted by Gil80 View Post

I can't get wetter water in Australia. If it's glycol based, I think I cannot use it since my tube res is acrylic based.
Is there any other type of anti corrosion additive I can use?

I don't want to buy specialised coolants from EK and such since they are expensive on the long run. But I know that distilled water + biocide is not enough due to the mixture of metals (bass/copper/nickel plated).
Is there something else you can recommend?

I know people are running only distilled water to avoid all the dyes and stuff the manufacturers add, but no one mentions anti corrosion additives, only biocide or kill coil. I do have kill coil but I don't want to add another metal to the mixture.

Distilled + silver wire is fine. At worst you silver plate everything.
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