Thank you for your replies. I appreciate that Calbe 09 can be cheap _IF_ it is readily available where you live. Unfortunately, it is not distributed here in Australia and by the time it is imported from overseas, it is no longer cheap. Another concern is that manufacturers can change/discontiue their product lines without warning. That's why I prefer a developer formulation that I know and can brew up myself. It just removes another var(posted 8427 days ago)