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Re: Coolant 50/50 vs. 100% water

To: Shawn Loseke <shawn@swo.com>
Subject: Re: Coolant 50/50 vs. 100% water
From: Malcolm Walker <walker05@camosun.bc.ca>
Date: Sun, 12 Sep 1999 18:52:41 -0700 (PDT)
Cc: "John or Adrienne O'Leary" <aoleary@bw.edu>, Beth and Ken <BethKen@erols.com>, triumphs@autox.team.net
On Sun, 12 Sep 1999, Shawn Loseke wrote:

>   As  professional photographer, or more importantly for this thread. One that
> processes a whole lot of B&W film using Kodak's "Photo-Flo 6000" as the final 
>rinse.
> Take my word for it that you don't want to put it in your radiator. Unless 
>you like
> foam. It has a tendency to foam really badly. Especially when it is first 
>mixed. It
> does break the surface tension of the water and prevents the water spots on 
>the
> negs. Interesting idea, but I would avoid it.

I could easily be wrong about the surface tension and Water Wetter
relation.  But, doesn't soap reduce surface tension?  How about alcohol?
I would guess that WW is probably an alcohol-related substance (as it is
sometimes used with glycol antifreeze, thus must agree with that)-
Although having soap in ones' radiator might be fun for blown head gasket
(wow, check out all the bubbles!) I don't think it would be a good thing
to add.

My take: leave the photo stuff in the darkroom and the auto stuff in the
garage.  Better safe than sorry...

-Malcolm
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