Odorless, citric acid-based stop bath.
Suitable for all black-and-white processes, including RA-4 processing in trays or tank processors.
With an indicator that signals when the solution is depleted by changing color to purple.
Holding time: 0.5–1 min at a dilution of 1+19.
Coverage: 1–2 m² of material per liter of solution.







