Quote Originally Posted by dr bob
This is complete speculation but could the observed effect be caused by the high temperature changing the surface, thus modifying the quality of reflected light? I cannot believe the selenium complexes have been modified to any extent by the temperture stated.
I thought as much too. However when the print cooled the neutral gray color remained. How about my washing technique? How long do you all wash a print after toning? I only gave 15 minutes. Was that enough? if it wasn't, could that have caused the heat to delete the tone color?