Your Bergger film in FX-39 isn’t listed here, but this is a great way to see the differences between the various film and developer combinations:
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http://www.fotoimport.no/filmtest/fkxtol.html
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I think Atomal performs pretty well there.
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The SPUR HRX has always given me excellent results. Or did you have the old version?
The current developer is supplied in two parts and has a very good shelf life.
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Best regards,
Wolfgang