Made from three rapid access chemicals, the Tetenal RA4 Color Developer Starter is widely used with minilab chemicals and conventional machines. Its processing time is just 3 minutes.Ideal for color negative paper, use this developer starter with 40-liter componentsIncluding Kodak's RA-4 and Agfa's AP 94 processes, this starter can also be used for Fujimoto CP31 and CP51 table-top print processorsFor color developer, the replenishment rate is 8.5ml for every 8x10" print