how to deal with our photographs to preserve them


  • strictly following the recommended technology
  • continuous checking of the chemical's condition
  • following the instructions of baryte photo paper makers in connection with lifetime: 200 years, rc, color enlarging


increasing durability against environmental damages


  • selenium treatment for archiving              Harman Selenium Toner 
  • sepia coloring/ embrowning                       Tetenal Sepia Toner