Fomapan 100 - 120 Spool - Green Developer - D76 1+1

Hello there , what causes green developer when fomapan 100 120 spool , D76 1+1 ?

Anti halation dye. It's harmless and normal.

The anti halogen layer used by Foma for 120 and sheet film is a green dye. No harm to the developer.

Paul Howell said:

halogen

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Sorry to nitpick (and perhaps it was just autocorrect), but to be sure - halogens and halation are very different things.

It's also technically not a layer, but a dye embedded into a gelatin layer. The dye is soluble in water and thus washes out of the gelatin.