FOTOSPEED SB50 STOP BATH 1lt

Makes for a more pleasant darkroom environment due to its odourless formula
An odourless citric acid stop bath with indicator dye to warn of exhaustion.
SB50 dilutes 1+19 with water.
Stop Bath arrests development immediately on contact to ensure clear highlights in paper and low fog on film.
Protected fixer life and performance. No alkali carry-over from the developer.