Grandpa Ron
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In a previous post I was looking for a mix as needed developer and Adox Rodinal was suggested.
I have been doing a bit of tail chasing trying to determine the proper Rodinal mixture for 4x5 film.
I have been doing a bit of tail chasing trying to determine the proper Rodinal mixture for 4x5 film.
- My tank holds 55 oz. or 1627 ml and will process 1 to 12 4x5 sheets. I typically process 4 to 6 sheet in a session.
- I believe I read that for an 8x4 sheet, a minimum of 5ml of Rodinal is recommended. This would be 4 sheets of my 4x5 film. However, I do not know if this is for tray or tank development. I am looking for tank information.
- If I were to do 12 sheets of 4x5 that would require 15 ml developer but only produce 750 ml of a 50:1 mixture which is less than 1/2 what I need in my tank.
- So, to maintain a 50:1 ratio I would need 32.5 ml of developer. Or, 65 ml at 25:1 in my 1627 ml tank.