Darkroom Chemicals
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Photographers' Formulary 100g Potassium Metabisulfite
- Potassium Metabisulfite: Preserves developers.
- Ensures archival properties in your solutions.
- Use in fixing baths for optimal consistency.
- 100g: Perfect for black and white chemicals.
- Replaces sodium sulfite in developer formulas.
Photographers' Formulary DK-25R Developer, Replenisher, Makes 1Lt Solution
- DK-25R Film Developer: Fine grain, 1-Liter solution.
- Achieve archival quality with this B&W developer.
- Ensures consistent results in black & white film.
- Simple mixing ratios for easy darkroom processing.
- Photographers' Formulary: Trusted film developer.
Photographers' Formulary TD-3 Tech Pan Film Developer 10 Liters #010065
- TD-3 Developer: Fine grain, archival quality results.
- Tech Pan Film Developer: Ensures consistent tonal range.
- Photographers' Formulary: Easy to use film developer.
- Black and White Chemicals: For optimal shelf life.
- Film Developer: Professional archival processing.
Photographers' Formulary Amidol AZO Paper Developer, Makes 1Lt Solution
- Amidol developer ensures optimal tonal range.
- Perfect for Lodima paper, superb image quality.
- Mixes easily to create 1 liter of solution.
- Formulary Amidol provides archival properties.
- Consistent results with black & white chemicals.
Photographers' Formulary TD-30 Improved Dektol Paper Developer, Makes 8Lt
- TD-30 Developer: Superior black & white image quality.
- Consistent chemical formula ensures reliable results.
- Archival properties for lasting black and white prints.
- Easy to use: Simple mixing ratios for convenience.
- Photographers' Formulary: Long shelf life guaranteed.
Photographers' Formulary 130 Paper Developer, Makes 2Lt Stock Solution
- Optimized for black and white paper prints.
- Achieve archival quality with consistent results.
- Formulary 130 ensures optimal image quality.
- Simple mixing ratios; easy darkroom chemical use.
- Makes 2 liters of stock solution for convenience.
Photographers' Formulary 10g Ultrafine Carbon Black
- Achieve archival quality prints with ease.
- Enhance tonal range in your black and white photos.
- Enjoy easy mixing for consistent darkroom results.
- Experience ultrafine grain for exceptional detail.
- Ensure high contrast with this carbon black formula.
Photographers' Formulary 10g Potassium Thiocyanate
- Potassium Thiocyanate: Reliable darkroom results.
- Achieve archival quality with our B&W chemicals.
- Easy to use: Perfect for all darkroom experience levels.
- Consistent mixing for predictable photo development.
- Long shelf life ensures lasting darkroom solutions.
Photographers' Formulary 100g Thiourea (Thiocarbamide)
- Thiourea for gold toning baths, 100g, archival.
- Clears yellow stains, ensures image quality.
- Photographers' Formulary: consistent, reliable.
- Use in mordant solutions for dye toning.
- Thiourea (Thiocarbamide) for B&W processes.
Photographers' Formulary DK-50 Film Developer, Makes 1Lt Solution
- DK-50 Film Developer: Superb tonal range control.
- Achieve archival quality with this black & white chemical.
- Simple mixing consistency ensures ease of use.
- Photographers' Formulary: Consistent image quality.
- Long shelf life ensures developer is ready when you are.
Photographers' Formulary Sodium Sulfide 1 Pound
- Achieve archival prints with black & white chemicals.
- Ensure image quality with consistent darkroom results.
- Photographers' Formulary: Trusted for ease of use.
- Sodium Sulfide ensures long-lasting archival properties.
- Optimize darkroom workflow with reliable chemicals.
Photographers' Formulary Modified Windisch Catechol Film Developer,40Lt Solution
- Achieve archival quality with this film developer.
- Modified Windisch formula ensures fine grain results.
- Easy dilution for consistent black and white tones.
- Long shelf-life ensures reliable darkroom chemicals.
- Safe handling with provided chemical specifications.
Photographers' Formulary TF-5 1Gal Archival Rapid Fixer, Makes 4Gal Solution
- TF-5 Rapid Fixer ensures archival quality results.
- Achieve consistent results with easy 1:3 dilution.
- 1-gallon concentrate makes 4 gallons of solution.
- Rapid fixer works on both RC and fiber papers.
- Long shelf-life: Stock lasts 1 year, working 6 months.
Photographers' Formulary Pyro Triethanolamine Developer, Makes 8Lt Solution
- Optimized for black and white film development.
- Yields 8 liters of high-quality Pyro developer.
- Ensures archival properties in processed film.
- Formulated for ease of use in darkroom settings.
- Provides excellent image quality and tonality.
Photographers' Formulary 1lbs Potassium Thiocyanate
- Achieve archival quality with this black & white chemical.
- Potassium thiocyanate ensures fine grain in your images.
- Enjoy consistent results using our darkroom chemicals.
- Easy to use, this solution offers safe handling.
- Long shelf-life ensures lasting darkroom performance.
Photographers' Formulary Nelson Gold Toner f/B&W Prints, 4L
- Nelson Gold Toner: Archival quality assured.
- Variable strength toner for fine grain control.
- Photographers' Formulary: Consistent results, always.
- Enhance B&W prints with good contrast easily.
- Long shelf life: Reliable darkroom chemicals.
Photographers' Formulary Variable Strength Toner f/B&W Prints, 1 Liter
- Achieve archival quality with gold toner.
- Variable strength toner ensures ease of use.
- Enhance prints with a beautiful gold toning effect.
- Fine grain formula for professional results.
- Long shelf life ensures lasting toner quality.
Photographers' Formulary Printing-Out-Paper Lead-Gold Toner-Fixer, Makes 1Lt
- Achieve archival quality with this toner-fixer.
- Enhance B&W prints with a distinctive color tone.
- Formulated for predictable results, every time.
- Simple mixing ease; creates 1 liter of solution.
- Optimized shelf life ensures lasting performance.
Photographers' Formulary Van Dyke Printing Kit, Brown
- Van Dyke Kit: Archival prints, exceptional quality.
- Simple mixing: Van Dyke Brown chemicals included.
- Makes 100+ prints: Economical darkroom solution.
- Alternative process: Unique, artistic control.
- Long shelf life: Reliable Photographers' Formulary.


















