Ian Grant describes Ilford ID-62 as similar to Ilford PQ-U. Full information on his site. That is the paper developer that I use. Good keeping properties, good image quality with Ilford MG and Fomabrom Variant.
From what I've read HC-110 is not a similar formula to PQ-U. And cannot be made DIY. Unless you have some kind of chemistry lab. And the exact composition is not published.
Plus, HC-110 is meant as a film developer while PQ-U is meant as a universal developer (mostly paper nowadays). You did not state your intended use.
I wouldn't describe HC-110 as a low contrast developer. I've heard at extreme dilutions it can help to achieve lower contrast and a wider range of tones with lith films.
It depends what the OP wants, HC-110 dilution G 1+119 will get the least contrast from the developers he mentions.
To get lower contrast still would mean purchasing a specialist low contrast developer.
Doesn't any developer become a low-contrast developer when you reduce the development time or temperature to a desired degree?
ID-3/D165 is a Metol based Soft working developer, and would be better for masking.
Ian
| Metol | 6 g |
| Sodium Sulphite (anh) | 25 g |
| Sodium Carbonate (anh) | 37.5 g |
| Potassium Bromide | 1 g |
| Water to | 1 litre |
Is this correct?
Metol 6 g Sodium Sulphite (anh) 25 g Sodium Carbonate (anh) 37.5 g Potassium Bromide 1 g Water to 1 litre
Yes but also I need to get tonal range, if I drop the temperature or developing times, the dark areas of the original negative, which are the highlights on the positive becomes to weak or not developed enough. Therefore I actually extend the developing time while keeping the dilution low
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