JavaScript seems to be disabled in your browser. For the best experience on our site, be sure to turn on Javascript in your browser.

Skip to the beginning of the images gallery

Developer, Ferrous Sulfate

As low as $6.00

Our ferrous sulfate developer for positive images (ambrotypes and tintypes).

Our ferrous sulfate developer is designed to be used in making positive images (tintypes or ambrotypes on glass). Can be used straight out of the bottle without dilution to save you the hassle of mixing and measuring. To use, flow the developer evenly over the exposed plate, then allow 15 to 20 seconds for development before rinsing with clean water. Complete the processing by fixing the developed plate in hypo. 7.5 fluid ounces

When handling any chemistry, wear safety glasses and nitrile gloves. Wash hands thoroughly after handling. IMPORTANT: Refer to material's safety data sheet (SDS) for additional safety and handling information. Use of this material is strictly at your own risk.

All chemistry must ship via UPS Ground to a physical address (no P.O. Box). Please select this shipping option at checkout.

We cannot accept returns or refunds on chemistry products.