Hi, if i for example use a 1+9 paper developer, develop a print and do the same for a 1+4. (kentmere vc select, 90 seconds at 20 degr celc.) I notice that the 1+4 has more deep blacks than the 1+9. Has anyone got the same results? extending the time of the 1+9 to for example 6 minutes will result in the highlights start to develop off white. Until last week i always used the 1+9, but now i start to question myself if the 1+4 for give me a improved quality image.