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The DARKROOM COOKBOOK, Third Edition

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232 THE <strong>DARKROOM</strong> <strong>COOKBOOK</strong><br />

1:1:1:7<br />

(This is the traditional dilution for tray development.)<br />

Water between 65F/18C and 70F/21C, 750.0 ml<br />

Sodium sulfi te, anhydrous, 11.5 g<br />

Pyro, 6.0 g<br />

Potassium bromide, 10% solution, 10.0 ml<br />

Sodium carbonate, monohydrate, 9.0 g<br />

Water to make 1.0 liter<br />

Develop between 5 and 7 minutes at 68F/20C.<br />

1:1:1:11<br />

(This is the traditional dilution for tank development. I recommend this dilution for tray<br />

development.)<br />

Water between 65F/18C and 70F/21C, 750.0 ml<br />

Sodium sulfi te, anhydrous, 8.2 g<br />

Pyro, 4.3 g<br />

Potassium bromide, 10% solution, 7.0 ml<br />

Sodium carbonate, monohydrate, 6.5 g<br />

Water to make 1.0 liter<br />

Develop between 6 to 12 minutes at 68F/20C.<br />

1:1:1:14<br />

(I recommend this dilution for tank development.)<br />

Water between 65F/18C and 70F/21C, 750.0 ml<br />

Sodium sulfi te, anhydrous, 6.6 g<br />

Pyro, 3.5 g<br />

Potassium bromide, 10% solution, 6.0 ml<br />

Sodium carbonate, monohydrate, 5.2 g<br />

Water to make 1.0 liter<br />

Develop between 8 and 14 minutes at 68F/20C.<br />

FORMULA #51<br />

Orwo 41 (1986)<br />

Pyro � Citric Acid<br />

This formula is meant to produce a negative with normal contrast.<br />

SOLUTION A<br />

Water between 65F/18C and 70F/21C, 500.0 ml<br />

Citric acid, 4.0 g

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