Beers Developer

Solution A

3000 mL Water (hot 100°F+)
32 g Metol
92 g Sodium Sulphite
94 g Sodium Carbonate, Anhydrous

Mix above ingredients one at a time until dissolved
Bring to 4000 mL with additional Water
Allow to cool to room temperature before using

Solution B

3000 mL Water (hot 100°F+)
32 g   Hydroquinone
92 g   Sodium Sulphite
124 g Sodium Carbonate, Anhydrous

Mix above ingredients one at a time until dissolved
Bring to 4000 mL with additional Water
Allow to cool to room temperature before using

Solution C

1000 mL Water (room temperature)
10 g Benzotriazolate

Mix above until dissolved

Mixing Ratios

8×10 Tray

Soft ——-> Normal ——-> Hard
Contrast 1 2 3 4 5 6 7
Solution A 16 14 12 10 8 6 4
Solution B 0 2 4 6 8 10 28
Water 16 16 16 16 16 16 0
Solution C 1 1 1 1 1 1 1
Total Volume 33 33 33 33 33 33 33

11×14 Tray

Soft ——-> Normal ——-> Hard
Contrast 1 2 3 4 5 6 7
Solution A 24 21 18 15 12 9 6
Solution B 0 3 6 9 12 15 42
Water 24 24 24 24 24 24 0
Solution C 1.5 1.5 1.5 1.5 1.5 1.5 1.5
Total Volume 49.5 33 33 33 33 33 33

16×20 Tray

Soft ——-> Normal ——-> Hard
Contrast 1 2 3 4 5 6 7
Solution A 32 28 24 20 16 12 8
Solution B 0 4 8 12 16 20 56
Water 32 32 32 32 32 32 0
Solution C 2 2 2 2 2 2 2
Total Volume 66 66 66 66 66 66 66
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