The Cs41 Powder Developing Kit  is designed for processing your own C-41 chemistry, color film at home. It includes two chemistry bath processing mixtures that makes 33.8 fl oz, to process approximately eight rolls of 35mm x 36 exp. or 120 film. It can be used at a variety of temperatures with the same equipment you already process your black and white film with at home. This powder is designed to be used with water, a thermometer, and a simple developing tank (available separately).