Ilford's ID-19R

Water @ 125F
Elon
Sod. Sulfite
Hydroquinone
Sod. Carbonate
Sod. Hydroxide
Water to make
750.0ml
4.0g
72g
16g
56g
7.5g
1.0L

Add the replenisher to the developer tank so as to maintain the level of solution. Where the tank is in continuous use, a quantity of replenisher equal to that of the original developer may normally be added before the solution is discarded Available as an Ilford packed chemical in sizes to make 1 gallon. In two 80 ounce units British Imperial measure of working strength solution.