Ansco 130

Water 750 ml Elon 2.2 g Sod. Sulphite 50.0 g Hydroquinone 11.0 g Sod. Carbonate (mono.) 78.0 g Glycin 11.0 g Cool water to make 1.0 L

Normal dilution for this stock is 1:1, but can be used in any concentration to alter contrast and image tone. Keep the working solution above 20C as Glycin is pretty sensitive to temperature and will stop working completely below 60F.