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Potassium Iodide

Antique Pictureology

Potassium Iodide


Potassium iodide and a few other items can be shipped via regular mail at a lower cost. If you’re only purchasing items from this list, please email me at

Potassium iodide is a salt used in wet plate collodion emulsions, to manage contrast and film speed.

Ships within Canada only.

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