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  #1  
Old 08-08-2011, 01:17 AM
sjh sjh is offline
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Quote:
Originally Posted by okto View Post
The rate of metal/mineral dissolution into DI is going to be orders of magnitude slower than the rate of mineral deposition from tap water. DI is a powerful solvent, but it's not exactly hexafluoric acid.

Also, whereas tap water will leave mineral deposits that can clog up your radiator, anything dissolved into DI is likely to stay in solution and go with it when you flush the coolant.
I don't even know what hexafluoric acid is - but it sounds frightening!

I thought DI was the way to go but I hate making a declarative statement when I haven't checked everything.
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  #2  
Old 08-08-2011, 03:21 AM
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Quote:
Originally Posted by sjh View Post
I don't even know what hexafluoric acid is - but it sounds frightening!
Oops, I meant hydrofluoric, not hexafluoric. It's so reactive it can dissolve glass, and is used in etching glass. Often found as an ingredient in brake cleaner, and one of the reasons that substance is so horribly toxic. Nasty stuff: http://en.wikipedia.org/wiki/Hydrofluoric_acid
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  #3  
Old 08-08-2011, 09:13 AM
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Low tec question

I. Presume it's safe to use AC condensate in a old engine.
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  #4  
Old 08-08-2011, 10:13 AM
sjh sjh is offline
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Originally Posted by Adler View Post
I. Presume it's safe to use AC condensate in a old engine.
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In theory.

It probably though has picked up 'stuff' from the surfaces it has touched.

If you want pure water I'd spend $2 and buy a bottle.
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