[Leica] Development question

[Martin Howard <mvhoward@mac.com>]

I hate having to stand around agitating film during development, so I 
got an old UniRoller to use with my 5-reel Paterson Super System 4 
tanks.  Works great.  I've established that 600ml of liquid will cover 
the films when used like this.

However, I need to determine developing times.  Since the two and one 
reel tanks are too small (too short) to use on the roller, I have to 
use the five reel tank.  I don't necessarily want to shoot five rolls 
of film, just for one processing test.  So, my question is this: if I 
were to put a single roll of film in with 600ml of fluid (since the 
amount of liquid is the same, regardless of the number of films) would 
that give an incorrect time, compared to when I then later use five 
rolls of film for the same amount of chemicals?  Would the difference 
be significant?  Could I get around this by banging in four unexposed 
films too?  Or do I have to have five exposed rolls of film?

M.

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