Thanks to then enlightening work of Pat Gainer, I decided to try adding sodium ascorbate to FG7. For those who are familiar with FG7 it is, much like Rodinal, very sharp but kind of grainy. For years it has been recommended that one add sodium sulfite to the formula. Well, it looks like sodium ascorbate is even better. I'm seeing significantly finer grain, remarkable sharpness and very smooth tonality.(posted 8118 days ago)1oz. FG7 + 1/2tsp sodium ascorbate + 14oz water (I used distilled.) Delta 400 @ 400: 9 minutes at 70, one minute initial agition, followed by 10"/min.