Ilford Harman Warmtone Developer is a liquid concentrate hydroquinone developer suitable for the dish/tray developing of all black and white photographic papers both resin coated (RC) and traditional fibre based (FB). It is used at a dilution of 1+9.
Warmtone developer is clean working, has excellent keeping properties and gives a warmer image tone to most papers. Warmtone developer is designed for use at ambient room temperatures, nominally 20°C/68°F.
Note: Ilford does not recommend its use for high temperature or machine processing applications. It is NOT suitable for developing films.
- Warmtone developer is designed for use at ambient room temperatures, nominally 20°C/68°F
- Working strength developer left in an open dish should not be kept for more than one working day - If stored in a tightly capped bottle it may last up to 24 hr
- The recommended developing temperature is 20°C (68°F) +/- 1°C (2°F); Slightly lower temperatures can be used but development would need to be extended slightly; Slightly higher temperatures can also be used but development times would need to be reduced