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Discussion in 'Color: Film, Paper, and Chemistry' started by Sergejs Orlovskis, Apr 26, 2011.
How much chemicals need for Cibachrome 16 x 20 inch drum for one sheet of paper
You need about 2X the volume you use with an 8 x 10 drum assuming that both drums are the same diameter.
Its important to use a bubble level on the drum sitting on the drum on the motor base and adjust the motor baser to level the drum so that the solution doesnt puddle in one end.
I generally use 60 ml for an 8 x 10 drum and 120 ml for a 16 x 20 drum. Some folks use 50 ml for an 8 x 10 drum and 100 ml for a 16 x 20 drum.
It helps to keep the rotation speed relatively low. If your motor base doesnt have a speed controller, you might control the speed with a cheap variable lamp dimmer.
Use 250ml or 8.5 oz .. Good luck
I use around 250-280 for the Beseler 16x20 drum. I can't see the Cibachrome drum using much less.