For all types of paper. Dilute 1+1 or 1+2. Use at 20° C and develope the photographic paper at least one minute.
Bensotriasol 1% solotion
Water, to make
Baryta should be developed 2-3 minutes.
RC-paper should be developed 1-2 minutes.
Dissolve the chemicals in order as showed above in 750 ml water at 40°C. Phenidon A is hard to dissolve but you kan add some smale amount off sodiumcarbonate to speed it up.
The stock solotion has very good storing properties.
Mark the botle well and keep out of reach of children.
If you try this formula it would be grateful to
get some comments.