A high resolution, high acutance developer formulated by Willi Beutler.

Solution A

  • Distilled water at 52°C – 750ml
  • Metol – 10.0g
  • Sodium sulfite – 50g
  • Water to make 1000ml

Solution B

  • Distilled water at 52°C – 750ml
  • Sodium carbonate, anydrous – 50.0g
  • Water to make 1000ml

Mix 1 part A, 1 part B, and 10 parts water to make desired volume.

Develop Tri-X rated at 200 ISO for 10 minutes at 20°C, agitate for first minute, then 10 seconds every minute.