I have a unicolor drum roller and use a beseler 8x10 drum on it. The drum holds either 4 4x5 negatives or 2 5x7's. How much developer should I be using in the d rum? The tray inside the beseler drum which holds the chemical until you start t he motor holds 3 ounces of chemical. That doesn't seem like much for 4 4x5's. I do mainly tmax 400 and tmax 100. Any advice on development times under constant drum agitation would also be appreciated. Thanks.
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