Archived posting to the Leica Users Group, 2018/06/20

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Subject: [Leica] Developing E-4 Ektachrome at home
From: hlritter at (Howard L Ritter Jr)
Date: Wed, 20 Jun 2018 12:17:14 -0400
References: <>

IIRC, Montie, it was in several forums that Google led me to, for example 

and I think it was mentioned in a discussion of the caveats of processing 
old film on either or both of the Rocky Mountain and Film Rescue websites. 
There are also discussions in the Wiki entries for E-4, E-6, and Ektachrome.


> On Jun 20, 2018, at 12:09, Montie via LUG <lug at> wrote:
> Howard, now you have my curiosity up, may I ask where you read this?
> Montie
>>> I?ve read that E-4 and E-6 processes are very different, and that E-4 
>>> film will be ruined by E-6 processing. For one thing, E-4 film needs a 
>>> pre-hardening step that E-6 doesn?t employ, to keep the emulsion from 
>>> detaching from the film base. I think this might be the main obstruction 
>>> to home processing.
> It?s been surprisingly unfruitful to google this topic.
> ?howard
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In reply to: Message from montoid at (Montie) ([Leica] Developing E-4 Ektachrome at home)