Ilford powder developer for film processing makes great use of the film speed. This makes it ideal for high-speed films and their accelerated development. The low alkali content of the developer is good for the grain. Ilford powder developer gives an effective increase in film speed to many films, the sensitivity of HP5 PLUS, for example, increases to EI 3200/36° and yields great results in Microphen developer. Undiluted stock solution is ideal for accelerated development, but 1 +1 and 1 + 3 dilutions are also possible.