I've had excellent response for 35mm, 120 and 4x5, ISO's 125 to 400, using HC-110. I've used Agfa, Arista (a.k.a Ilford) and Kodak. I like its consistency. I have a cold light head, so I develop for a little higher contrast. HC 110 (1:7) works well for me.(posted 8996 days ago)