Harman/Ilford Multigrade Dev 1 Liter Harman/Ilford Multigrade Dev, a speedy liquid concentrate developer, specially designed for dimezone-s/hydroquinone. This versatile developer is perfect for every black and white photographic paper, catering to both resin-coated (RC) and traditional fiber-based (FB) papers. The recommended dilution ratio is 1:9, but a dilution of 1:14 can also be used for more balanced control and economical use. The Harman Multigrade developer is clean to handle, provides an exceptional shelf-life, and delivers a neutral image tone with most paper types. It offers a neat and efficient solution for all your photographic developing needs. Speedy liquid concentrate Compatible with both RC and FB photographic paper Offers ten liters worth of paper development Extended shelf-life Provides a neutral image tone