Thread: C41 problems
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Old 30th June 2020, 04:26 PM
EdmundH EdmundH is offline
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Join Date: Jan 2016
Location: North Norfolk
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Quote:
Originally Posted by Mike O'Pray View Post
OK and thanks for the answers but can I get clarification as I am unsure on certain Bellini/N&T instructions which appear vague.

1. Is the developer conc a bottle now containing 240ml to which you add 760ml of water to make 1L? It is not a 100ml bottle as seemed to be the case in the 2017 Bellini instructions.
2. None of you users use a water wash between dev and bleach or bleach and fix?
3. What is the dilution level of the stab-wash. It looks to be 10ml stab to 990ml water making 1L but how exactly in terms of time(10-30 secs are suggested in a form of dip and dunk) and ml content do you use the stab-wash . It makes 10L in total but as even N&T say this is impractical to mix in one go so do you make up say 1L at a time for say 1 film and use a form of Ilford wash such as 200ml per tank with 5 inversions then dump then 200ml more and then 10 inversions etc

4. Do any of you use a Jobo rotary processor and if so do you alter the amounts of dev, bleach and fix used per tank?

I think the answer to 4 is likely to be No but I thought it worth asking

Thanks

Mike
1) Yes, add 760ml to the developer concentrate, so you end up with 1 litre.

2) I think that a water wash would not kill the developer quickly enough. Its a very active formulation compared to B&W. I have sometimes used a stop bath between the developer and bleach, but its apparently unnecessary and not recommended.

3) Stabiliser 10ml to 990ml water. 10 litres is a lot to store, so just make up a litre at a time. I personally do the main washing of the film in warm water, then final couple of washes in the stabiliser, otherwise I always run out of stabiliser.

4) There are forum members who use rotary processors. However, I use a Nova heated unit which holds three chemical bottles plus a Paterson tank, all in a heated bath, so the agitation is done manually.
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