There seems to be some confusion on my part and I will explain below. This is in regards to me using Efke50/Adox50 in Rodinal. I was given tips by several people that this film needs temperatures that are consistent and 'at room temperature' and souped in distilled water..... ok. (here lies the problem): I have always thought and do develop all of my films at 68 degrees F. This means that I add hot water or ice cubes to adjust the temp. I live in FL where it gets very hot. In summer when it's 100+ degrees I keep my d/r (which is outside) at 68. When it's cooler at 80 the studio runs 72-76. and in winter it can be anywhere from 55 to 65 degrees. Last night I souped my first batch at 72 as that was the current 'room temperature.' Now... do you really mean 68 is room temperature?.... Always?... because I assume the warmer or colder temperatures then would have to be considered into either extending or shorten dev. times and I don't want to go there. and I don't think I can soup film in 55 degree water at the same time across the board as I would 72. I don't want to be constantly adjusting for times. Now, if I do my normal route of adding ice or hot water to equal 68 with these films will that be good enough? if my dev/stop/fixer are all at that 68? Thank you .... just wanting clarity because it is obvious chemical reactions change with temperatures. Any feedback would be welcome.