Crawley's FX-5b

Water 750.0ml Elon 4.5g Sod. Sulphite 125.0g Sod. Metaborate 2.25g Sod. Bisulphite 1.0g Pot. Bromide 0.5g Water to make 1.0 litre

A fine grain developer. An exposure increase of to 1 stop over the normal exposure is recommended. Recommended developing times are: Kodak's Plus-X 10.0min.@68F Kodak's TMX-100 8.5min.@68F