bw_dev15 January 8, 2010 by kenny Original Image size: 210 × 150 After washing, you may wish the use a wetting agent to prevent drying streaks on the film before hanging it up to dry. After washing, you may wish the use a wetting agent to prevent drying streaks on the film before hanging it up to dry. ← Previous Next → 15 Simple steps for Black & White Film Developing 15 Simple steps for Black & White Film Developing