One drop per film can be used for approx 100 rolls.
No real point mixing this up, after rinsing the film, just fill the tank with fresh water, a drop per film and Give the reels a good swish around.
Highly concentrated wetting agent for optimal flow of washwater from the surface of any photographic material. Reduces drying marks, streaks and spots. The antistatic effect prevents the surface from atracting dust of the environment during dry up. Easens the glazing of fibre prints on the press and improoves gloss of RC papers.