Kodak Dektol is a developer for black-and-white photographic paper that is a common choice for darkrooms. Dektol is a powder that you can find in 1-liter, 1-gallon and 5-gallon amounts. The directions for mixing the powder into a stock solution are printed on the envelope or box. After creating the stock solution, you need to further dilute the chemistry with additional water to create a working solution in which you can process your paper.
Instructions
One Liter Stock Solution
- 1
Pour 828 milliliters of water into a graduate. Use a thermometer to make sure this water is between 80 and 90 degrees Fahrenheit.
2Pour the water into the bucket.
3Cut an envelope containing powder for a 1-liter stock solution of Dektol with scissors as directed on the envelope.
4Use the stirring rod to stir the water into a rapidly-moving circle before you begin to pour the powder into the bucket. Slowly empty the contents of the envelope, and continue to stir until all the powder is dissolved.
5Add 172 ml of water to bring the solution to 1 liter. Pour the stock solution of Dektol into a storage container. Use an opaque container and screw the lid on tightly to extend the Dektol's shelf life.
One Gallon Stock Solution
- 6
Measure 3 liters of water with a graduate. Use the thermometer to make sure this water is between 90 and 100 degrees Fahrenheit.
7Pour the water into the bucket.
8Cut an envelope containing powder for a 1-gallon stock solution of Dektol with scissors as directed on the envelope.
9Use the stirring rod to stir the water into a rapidly-moving circle before you begin to pour the powder into the bucket. Slowly empty the contents of the envelope, and continue to stir until all the powder is dissolved.
10Add 800 ml of water to bring the solution to 1 gallon. Pour the stock solution of Dektol into a storage container. Use an opaque container and screw the lid on tightly to extend the Dektol's shelf life.
Five Gallon Stock Solution
- 11
Measure 4 1/4 gallons (544 ounces) of water with a graduate. Use the thermometer to make sure this water is between 90 and 100 degrees Fahrenheit.
12Pour the water into the bucket.
13Cut the bag containing powder for a 5-gallon stock solution of Dektol with scissors.
14Use the stirring rod to stir the water into a rapidly-moving circle before you begin to pour the powder into the bucket. Slowly empty the contents of the bag, and continue to stir until all the powder is dissolved.
15Add 3/4 gallon (96 ounces) of water to bring the solution to 5 gallons. Pour the stock solution of Dektol into a storage container. Use opaque containers with tight-fitting lids to store chemistry. If you will not be using the chemical quickly, consider using a 5-gallon drum with a floating lid to reduce oxygen exposure, which extends Dektol's shelf life.
Working Solution
- 16
Choose a developing tray based on the size of your photographic paper. Common sizes are 8 by 10 inches, 11 by 14 inches and 16 by 20 inches.
17Create the working solution of Dektol in a ratio of one part Dektol, two parts water, according to the size of your tray. For example, an 8-by-10 tray easily holds about 1 liter of liquid. In this case, 300 ml of Dektol to 600 ml of water is recommended.
18Pour the solution into the tray and use within 24 hours.
Kodak Dektol is a developer for black-and-white photographic paper that is a common choice for darkrooms. Dektol is a powder that you can find in 1-liter, 1-gallon and 5-gallon amounts. The directions for mixing the powder into a stock solution are printed on the envelope or box. After creating the stock solution, you need to further dilute the chemistry with additional water to create a working solution in which you can process your paper.
Instructions
One Liter Stock Solution
- 1
Pour 828 milliliters of water into a graduate. Use a thermometer to make sure this water is between 80 and 90 degrees Fahrenheit.
2Pour the water into the bucket.
3Cut an envelope containing powder for a 1-liter stock solution of Dektol with scissors as directed on the envelope.
4Use the stirring rod to stir the water into a rapidly-moving circle before you begin to pour the powder into the bucket. Slowly empty the contents of the envelope, and continue to stir until all the powder is dissolved.
5Add 172 ml of water to bring the solution to 1 liter. Pour the stock solution of Dektol into a storage container. Use an opaque container and screw the lid on tightly to extend the Dektol's shelf life.
One Gallon Stock Solution
- 6
Measure 3 liters of water with a graduate. Use the thermometer to make sure this water is between 90 and 100 degrees Fahrenheit.
7Pour the water into the bucket.
8Cut an envelope containing powder for a 1-gallon stock solution of Dektol with scissors as directed on the envelope.
9Use the stirring rod to stir the water into a rapidly-moving circle before you begin to pour the powder into the bucket. Slowly empty the contents of the envelope, and continue to stir until all the powder is dissolved.
10Add 800 ml of water to bring the solution to 1 gallon. Pour the stock solution of Dektol into a storage container. Use an opaque container and screw the lid on tightly to extend the Dektol's shelf life.
Five Gallon Stock Solution
- 11
Measure 4 1/4 gallons (544 ounces) of water with a graduate. Use the thermometer to make sure this water is between 90 and 100 degrees Fahrenheit.
12Pour the water into the bucket.
13Cut the bag containing powder for a 5-gallon stock solution of Dektol with scissors.
14Use the stirring rod to stir the water into a rapidly-moving circle before you begin to pour the powder into the bucket. Slowly empty the contents of the bag, and continue to stir until all the powder is dissolved.
15Add 3/4 gallon (96 ounces) of water to bring the solution to 5 gallons. Pour the stock solution of Dektol into a storage container. Use opaque containers with tight-fitting lids to store chemistry. If you will not be using the chemical quickly, consider using a 5-gallon drum with a floating lid to reduce oxygen exposure, which extends Dektol's shelf life.
Working Solution
- 16
Choose a developing tray based on the size of your photographic paper. Common sizes are 8 by 10 inches, 11 by 14 inches and 16 by 20 inches.
17Create the working solution of Dektol in a ratio of one part Dektol, two parts water, according to the size of your tray. For example, an 8-by-10 tray easily holds about 1 liter of liquid. In this case, 300 ml of Dektol to 600 ml of water is recommended.
18Pour the solution into the tray and use within 24 hours.
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