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Found a bunch of chemistry, from my mom's photography days. Wondering what would have held up through the years... : r/Darkroom
![Dan K on X: "Rodinal as paper developer gives solid blacks, half a grade more contrast, more acutance, larger grain. 1:9 Rodinal (L) vs 1:4 Ilford Multigrade Dev (R) on Ilford MGIV. Dan K on X: "Rodinal as paper developer gives solid blacks, half a grade more contrast, more acutance, larger grain. 1:9 Rodinal (L) vs 1:4 Ilford Multigrade Dev (R) on Ilford MGIV.](https://pbs.twimg.com/media/DvlaTsLUYAI_FbB.jpg:large)
Dan K on X: "Rodinal as paper developer gives solid blacks, half a grade more contrast, more acutance, larger grain. 1:9 Rodinal (L) vs 1:4 Ilford Multigrade Dev (R) on Ilford MGIV.
![BelliniFoto Hydrofen B&W Film Developer ~ aka Rodinal Special/Studional - Nik & Trick Photo Services BelliniFoto Hydrofen B&W Film Developer ~ aka Rodinal Special/Studional - Nik & Trick Photo Services](https://ntphotoworks.com/wp-content/uploads/2020/05/Hydrofen_250.jpg)