Paterson print developers are renowned for high working capacity and depth of tone

• Acugrade (PAC131)
  Designed to process both modern RC/PE or fibre (barata) based black and white printing papers. It produces rich blacks, superb mid tones and sparkling whites. At 20 Centigrade with the standard dilution of 1+9, the image developement time is 60 seconds. The developer can also be diluted at 1+14 with a 50% increase in development time. Over exposed prints can be snatched from the developer whilst retaining rich blacks.