Darkroom Chemicals

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Photographers' Formulary 10g G Picture

Photographers' Formulary 10g Gelatin (Hard, 250 Bloom)

SKU: PYGLH10GMFR: 10-0590 10G
  • Achieve superior image quality with gelatin.
  • Enhance archival properties in your emulsions.
  • Consistent mixing ensures optimal tonal range.
  • Gelatin is ideal for light filters and adhesives.
  • Easy to use gelatin for reliable emulsion prep.
$3.95
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Photographers' Formulary 10g S Picture

Photographers' Formulary 10g Sodium Phosphate, Monobasic

SKU: PYSPHM10GMFR: 10-1295 10G
  • Achieve archival quality in platinum printing.
  • Monobasic sodium phosphate ensures fine grain results.
  • Enhance contrast with this easy to use chemical.
  • Photographers' Formulary for good tonality control.
  • Long shelf life ensures consistent performance.
$3.95
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Photographers' Formulary 10g S Picture

Photographers' Formulary 10g Sodium Phosphate, Tribasic

SKU: PYSPHTR10GMFR: 10-1310 10G
  • Optimize B&W development with Sodium Phosphate.
  • Achieve consistent results with quality darkroom chemicals.
  • Ensure archival properties for lasting image quality.
  • Easy-to-use B&W chemicals for all skill levels.
  • Excellent price point for essential darkroom needs.
$3.95
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Photographers' Formulary 10g A Picture

Photographers' Formulary 10g Anhydrous Boric Acid

SKU: PYBCAAN10GMFR: 10-0270 10G
  • Anhydrous Boric Acid: Essential darkroom chemical.
  • Ensures consistent results in your film processing.
  • High-quality compound for various darkroom uses.
  • Use as antiseptic, insecticide, flame retardant.
  • Boric acid: Key component in chemical compounds.
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Photographers' Formulary 10g P Picture

Photographers' Formulary 10g Potassium Oxalate

SKU: PYPOX10GMFR: 10-1060 10G
  • Potassium Oxalate for platinum printing needs.
  • Achieve consistent results with our oxalate.
  • Oxalic acid, dipotassium salt, 10g supply.
  • Use in platinotype process for fine prints.
  • Photographers' Formulary: quality chemicals.
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Photographers' Formulary 10g S Picture

Photographers' Formulary 10g Sodium Bisulfate, Anhydrous

SKU: PYSBIS10GMFR: 10-1170 10G
  • Anhydrous Sodium Bisulfate: Archival quality assured.
  • Use in stop baths for consistent darkroom results.
  • Photographers' Formulary: Fine grain development aid.
  • Substitute for acetic acid; easy to use chemical.
  • 10g Sodium Bisulfate: Long shelf-life guaranteed.
$3.95
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Photographers' Formulary 10g A Picture

Photographers' Formulary 10g Ammonium Sulfate Photographic Hardener

SKU: PYAMOSU10GMFR: 10-0180 10G
  • Enhance archival properties with Ammonium Sulfate.
  • Achieve optimal image quality using this hardener.
  • Photographers' Formulary: Consistent black & white results.
  • Easy to use: Fine granules dissolve quickly, evenly.
  • Control grain structure with this photographic hardener.
$3.95
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Photographers' Formulary 10g F Picture

Photographers' Formulary 10g Ferric Sulfate

SKU: PYFS10GMFR: 10-0540 10G
  • Achieve consistent results with Ferric Sulfate.
  • Photographers' Formulary for holographic processes.
  • Iron (III) sulfate: Grayish-white, odorless powder.
  • Long shelf-life: 10g of quality darkroom chemical.
  • Use for archival quality in your photography.
$3.95
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Photographers' Formulary 10g S Picture

Photographers' Formulary 10g Sodium Thiosulfate (Hypo), Penta (Prismatic Rice)

SKU: PYSTHP10GMFR: 10-1360 10G
  • Essential black and white fixer ingredient.
  • Ensures archival properties in your prints.
  • Photographers' Formulary: trusted darkroom chemical.
  • Sodium Thiosulfate for consistent mixing ratios.
  • Ideal for preparing high-quality fixing baths.
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Photographers' Formulary 10g P Picture

Photographers' Formulary 10g Potassium Carbonate, Anhydrous

SKU: PYPCB10GMFR: 10-0940 10G
  • Potassium Carbonate: Alkali accelerator for developers.
  • Achieve warm tones in paper development with ease.
  • Ideal substitute for Sodium Carbonate in darkroom.
  • Photographers' Formulary: Ensures archival properties.
  • 10g Anhydrous formula offers consistent image quality.
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Photographers' Formulary 10g S Picture

Photographers' Formulary 10g Sodium Sulfate

SKU: PYSSUA10GMFR: 10-1320 10G
  • Sodium Sulfate: Ensures archival film processing.
  • Achieve optimal tonal range with this darkroom chemical.
  • Consistent mixing for reliable black & white results.
  • Photographers' Formulary: Premium quality, 10g supply.
  • Extend shelf life of developers with Sodium Sulfate.
$3.95
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Photographers' Formulary 10g A Picture

Photographers' Formulary 10g Ammonium Persulfate for Photographic Processing

SKU: PYAMOPR10GMFR: 10-0170 10G
  • Archival quality black and white chemicals.
  • Achieve fine grain with our ammonium persulfate.
  • Ensures high contrast in film processing.
  • Easy to use photographic processing chemical.
  • Consistent results with every darkroom session.
$3.95
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Photographers' Formulary 10g F Picture

Photographers' Formulary 10g Ferric Ammonium Sulfate

SKU: PYFAS10GMFR: 10-0510 10G
  • Enhance archival properties with Ferric Ammonium Sulfate.
  • Achieve consistent results in black & white chemicals.
  • Photographers' Formulary: Premium darkroom chemical.
  • Ensure image quality with our tested formulation.
  • Easy to use: Perfect for all darkroom equipment.
$3.95
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Photographers' Formulary 10g U Picture

Photographers' Formulary 10g Urea

SKU: PYUR10GMFR: 10-1480 10G
  • Enhance archival quality with Photographers' Formulary.
  • Achieve fine grain in your black and white development.
  • Optimize tonal range using this darkroom chemical.
  • Urea ensures ease of use in various solutions.
  • Extend shelf life of gelatin plates and papers.
$3.95
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Photographers' Formulary 10g P Picture

Photographers' Formulary 10g Potassium Bromide

SKU: PYPBR100GMFR: 10-0930 10G
  • Potassium Bromide: Reliable fog preventer.
  • Achieve consistent results in developing solutions.
  • Photographers' Formulary: For intensifying solutions.
  • Use in toning for archival quality prints.
  • Potassium Bromide: Key ingredient for reducing.
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Photographers' Formulary 10g S Picture

Photographers' Formulary 10g Succinic Acid

SKU: PYSCA10GMFR: 10-1410 10G
  • Enhance archival properties with succinic acid.
  • Achieve optimal image quality in black & white prints.
  • Photographers' Formulary: Consistent darkroom results.
  • Control tonal range precisely with this acid.
  • 10g succinic acid: Extends black & white shelf life.
$3.95
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Photographers' Formulary 10g P Picture

Photographers' Formulary 10g Potassium Persulfate, Hazmat

SKU: PYPPRS10GMFR: 10-1080 10G
  • Potassium Persulfate: Reliable archival properties.
  • Achieve optimal image quality with this darkroom chemical.
  • Consistent black and white chemicals for predictable results.
  • Potassium Persulfate: Simple mixing ratios ensure ease of use.
  • Photographers' Formulary: Long shelf life for bulk chemicals.
$3.95
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Photographers' Formulary 10g S Picture

Photographers' Formulary 10g Sodium Metabisulfite

SKU: PYSMES10GMFR: 10-1280 10G
  • Premium Sodium Metabisulfite for archival use.
  • Ensures chemical consistency in film developers.
  • Extends developer life, improves image quality.
  • Perfect for acidifying black & white fixing baths.
  • Use in two-solution formulas for optimal results.
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Photographers' Formulary 10g B Picture

Photographers' Formulary 10g Borax

SKU: PYBX10GMFR: 10-0260 10G
  • Borax: Fine-grain developer alkali accelerator.
  • Enhance image quality with consistent black & white results.
  • Photographers' Formulary Borax ensures archival properties.
  • Use in fixing baths for optimal darkroom processing.
  • Borax: Mild alkali for low-activity developers.
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Photographers' Formulary 10g A Picture

Photographers' Formulary 10g Ammonium Chloride for Photographic Processing

SKU: PYAMOCL10GMFR: 10-0130 10G
  • Achieve consistent results with ammonium chloride.
  • Use in rapid fixing baths for film processing needs.
  • Enhance your darkroom chemicals with this accelerator.
  • Ideal for chloride and salted albumen photographic papers.
  • High-quality Photographers' Formulary darkroom solution.
$3.95
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Photographers' Formulary 10g A Picture

Photographers' Formulary 10g Arrowroot Starch

SKU: PYARST10GMFR: 10-0240 10G
  • Arrowroot Starch: Enhances photo paper sizing.
  • Achieve optimal image quality with this additive.
  • Simple to use: Improves archival properties easily.
  • 10g size: Perfect for black and white chemicals.
  • Photographers' Formulary: Trusted darkroom brand.
$3.95
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Photographers' Formulary 10g H Picture

Photographers' Formulary 10g Hydroquinone, Hazmat

SKU: PYHYD10GMFR: 10-0670 10G
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  • Achieve fine grain with this black & white chemical.
  • Ensures archival quality for lasting photographs.
  • Hydroquinone builds density; consistent results.
  • Easy dilution for custom darkroom development.
  • Long shelf-life ensures chemical is ready to use.
$3.95
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Photographers' Formulary 10g O Picture

Photographers' Formulary 10g Oxalic Acid, Hazmat

SKU: PYOXA10GMFR: 10-0850 10G
  • Optimize B&W film with Oxalic Acid for archival prints.
  • Enhance tonal range using this black and white chemical.
  • Photographers' Formulary: Consistent darkroom results.
  • Control grain in film development with Oxalic Acid.
  • Extend shelf life of pyro solutions effectively.
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$3.95
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Photographers' Formulary 10g A Picture

Photographers' Formulary 10g Anhydrous Sodium Thiosulfate

SKU: PYSTHA10GMFR: 10-1370 10G
  • Achieve archival quality with this fixer.
  • Ensure fine grain negatives using this chemical.
  • Enjoy consistent results in your darkroom.
  • Dilute easily for optimal black & white prints.
  • Benefit from long shelf-life of this product.
$3.95
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Photographers' Formulary 10g A Picture

Photographers' Formulary 10g Anhydrous Sodium Sulfite

SKU: PYSSUT10GMFR: 10-1340 10G
(1)
  • Essential black and white chemical for developers.
  • Sodium Sulfite ensures archival image quality.
  • Consistent results in film and paper processing.
  • Preservative extends developer agent lifespan.
  • Anhydrous form for easy, precise darkroom use.
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Darkroom Chemicals

Even with the ubiquity of digital photography, plenty of film photographers are still developing their own film and photographic prints at home. If you have a home darkroom or intend to set one up, you’ll need to invest in a few crucial chemicals to get started.

Home Film Developing

Building a darkroom and working with the related chemicals may sound daunting if you’re new to film developing. In actuality, developing film is as easy as following a recipe.

Before you begin to select the right equipment and chemicals, it's important to decide if you want to develop black-and-white film, color film, or both.

Black-and-White Photography Darkroom Chemicals

Black-and-white film developing is the most common type of home darkroom development. The process tends to be fairly straightforward and predictable once you get the hang of it.

The three most important chemicals for developing black-and-white film are Developer, Fixer, and Stop Bath. Other helpful chemicals are Wetting Agent for avoiding water spots on your negatives, and Wash Aid for fully cleaning chemicals like Fixer off your negatives.

If you plan to develop paper prints, too, you’ll need to stock up on Paper Developer.

Color Photography Darkroom Chemicals

Color developing is a bit more complicated than black-and-white developing. Many color film and print developers prefer to buy the necessary darkroom chemicals in kits to ensure compatibility with their chosen type of color film and print paper. 

Kits and Bundles

If you’ve been developing in a darkroom for a while and know exactly what you need, it's easy to purchase larger quantities of your favorite darkroom chemicals individually.

If darkroom developing is a new pursuit for you, then buying chemicals in a kit is a simple and convenient way to get started. Just choose a kit designed for film or print, color, or black-and-white, and you’re ready to go.

Top Brands for Darkroom Chemicals

Darkroom developing is a highly specific market with a few key established brands. Selecting darkroom chemicals by top brands like IlfordAdoxBerggerKodakPhotographers’ Formulary, and Sprint will help you ensure that the chemicals perform and behave exactly as intended every time you turn on the safety light and get to work.

Adorama prioritizes high-quality darkroom equipment and chemicals, so you can feel confident investing in reliable supplies from these and other great brands.