Ilford ID-11 / Rapid Fixer

p.giannakis

Pan Giannakis
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Hi guys,

I bought a litre of ID-11 in powder and a litre of ilford rapid fixer.
What i wanted to ask is how many times can i use the same developer and what is its life expectancy? Same question about the fixer.

Thanx!
 
For best results you should use a working solution of ID-11 once, then discard.

A liter of Rapid fix at 1:4 dilution will properly fix about 17 rolls (80 square inches) of film.
 
FWIW, my ID-11 stock solution lasts at least 6 months in closed, full-to-the-brim dark bottles. I use 1:1 dilution and discard the 1:1 after use.
 
I use mainly the ilford rapid fixer.

When I mix a 1:4, i usually mx for a total fixer solution of 600ml, this is to cater 1 roll, 2 concurent rolls and for the 120 format. When i fix, i fix on the total 600ml.

Each 600ml fixer solution i can safely reuse 10 rolls of fixing. I have ever gotten to 15 rolls but somewhere there it gets a bit weak, and the negatives will turn out milky.

To be on the safe side, I usually practice putting a film leader into a fresh fixer and time it. And then after every few fixes, i compare a new film leader test against the first test. (see roger and frances' website on this topic) Note that different film will have different clearning time, for me: Tri-x clears in about 30-45 secs, Acros 100 is about 15-20 seconds.

Your mileage will vary because of things like water quality, temperature etc.


hope this helps
 
According to Ilford, see link in one of the previous posts, 1 liter of ID-11 stock can develop 10 135 or 120 films (page 7)

On page 9, storage life is stated.
 
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