Abstract: A daylight developing apparatus is described for developing photographic film under daylight conditions. The apparatus includes a tank unit having one or more wells for receiving photographic film treating liquid. A light impermeable film carrier is provided to receive the film and immerse the photographic film in the treating liquids. The carrier has liquid passageways both top and bottom with accompanying light traps to permit the treating liquid to flow into the carrier through the bottom liquid passageway as the carrier is lowered into a well. After sufficient contact between the film and the treating liquid, the carrier is lifted from the well with the treating liquid completely draining from the carrier through the bottom of the carrier. The carrier is provided with inclined surfaces to completely drain chemical from the carrier so as not to contaminate the liquid in the adjacent well. The tank unit has a unitary water jacket to maintain all of the treating liquids at the same temperature.