TS-4 Odorless stop bath for prints or film * The unused solution keeps indefinitely, after the first use it should not be kept more than two month * Capacity is about 20 8X10-inch prints per litre of working solution * Capacity is about 29 rolls of 120 film, or approximately 29 rolls of 135-36 film, per liter of working solution * 1-liter stock solution * For both prints and film * Completely odor free * Economical to use