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I am confused about the dilution of D-76 developer, Kodak says to mix the powder with 4+1 liters of water. How do you make the 1:1 dilution?

April 26, 2017confused d-76 Developer dilution Kodak liters mix powder

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I am confused about the dilution of D-76 developer, Kodak says to mix the powder with 4+1 liters of water. How do you make the 1:1 dilution?

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You mix the powder with water according to the instructions on the Kodak packet. You then have what is called a “working solution” or “stock solution” – you can use the developer that way and develop the negatives for the time given for D-76 on the film data sheets or you can further dilute the solution to what is termed a 1 to 1 solution (1:1). The term one to one (1:1) refers to the stock solution diluted to 1 part water to 1 part stock solution. The benefits of 1:1 are – finer grain and definition. This will require longer development times (see my film data tables) – Film Data Tables To complete the process, use stop and fixer and wash times as per normal.