Ilford ILFOSTOP 500 ML

Ilford Ilfostop is a liquid indicator stop bath for film and paper. It stops development immediately and turns purple as it nears exhaustion, which is especially useful when printing in dishes.

• Liquid concentrate, 500 ml (makes 10 litres of working solution)
• Dilution 1+19 (50 ml concentrate + 950 ml water)
• Stop time about 10 seconds at 20 °C
• About 15 films 135-36 per litre of working solution
• Keep stop bath out of the developer