Chemical Questions

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mhainz

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I have just been given a bottle of Ilfospeed paper developer. Still with the original seal intact but fairly old. I haven't been able to find much info on this and was wondering if it's any good. Till now I have just been using Ilford multigrade developer.
 

Ole

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I'm using seven years old multigrade developer today - opened the bottle half an hour ago. Still good. Just try it :wink:
 
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Quick test:

Take a small piece of photo paper. Place a drop of developer (as recommended by the manufacturer - dillution, etc) in it.
Expose to light.
If it turns black, in about 30s the dev is OK.

Jorge O
 

Black Dog

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It's surprising how long stuff will last, even if it hasn't been that well stored. Generally, two part devs have the best keeping qualities. A squirt of Tetenal protectan also works a treat.
 
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