This is a special order item. Est. arrival at B&H is 2-4 weeks (subject to availability). Your order will be charged at the time of shipment.
Fotospeed Cyanotype Sensitizer, is used in the alternative photographic process of Cyanotype printing. The Cyanotype process is the first successful non-silver photographic print process and dates back to 1842.
Its notable blue image color is a result of its origins in Prussian Blue a derivative of iron. It has long been used commercially as "Blueprints."
Store the sensitizer solution in a brown bottle in a dark, dry location. Shelf life should be in excess of one year if stored properly.