Kodak HDD wasn't stable, like Ilford's Hyfin, and Neofin Blue etc it had to be made up just before use, the very low sulphite level of these developers means they need to be used within an hour of mixing.
Originally Posted by Photo Engineer
So the opposite of Patrick's formula
Crawley noted that Kodak HDD really worked best with Panatomic-X and wasn't really suitable for all films, Tetenal recommended their Windisch formulated HDD for Adox films, and Hyfin was particulary suited to Pan-F and FP3.
Last edited by Ian Grant; 09-06-2009 at 01:48 PM. Click to view previous post history.