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Ferrous Sulfate (heptahydrate)

Antique Pictureology

Ferrous Sulfate (heptahydrate)


Ferrous sulfate 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

Ferrous sulfate (heptahydrate) is the main ingredient in iron-based developer formulas, for tintypes and ambrotypes.

Ships within Canada only.

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