Wetplate collodion formulas

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Collodion recipes

New Guy Collodion

  • USP Collodion - 108ml
  • Ether - 71ml
  • Ethanol - 71ml
  • Cadmium bromide - 1.3g
  • Ammonium iodide - 1.8g

Buy New guy collodion here

Old Workhorse Collodion

  • USP Collodion - 94ml
  • Ether - 78ml
  • Ethanol - 78ml
  • Cadmium bromide - 0.6g
  • Ammonium iodide - 2.0g
  • Ammonium bromide - 0.5g

Buy Old Workhorse collodion here

Lea's landscape #7 Collodion

  • USP Collodion - 120ml
  • Ether - 30ml
  • Ethanol - 100ml
  • Cadmium bromide - 0.6g
  • Ammonium iodide - 1.0g
  • Ammonium bromide - 0.5g
  • Cadmium iodide - 1.4g

Buy Lea's Landscape #7 collodion here

Lea's landscape #7 Collodion with no added ether

  • USP Collodion - 125ml
  • Ethanol - 125ml
  • Cadmium bromide - 0.6g
  • Ammonium iodide - 1.1g
  • Ammonium bromide - 0.5g
  • Cadmium iodide - 1.4g

Reh's New Generation Collodion

  • USP Collodion - 108ml
  • Ether - 71ml
  • Ethanol - 71ml
  • Ammonium iodide - 1.8g
  • Potassium iodide - 1.2g
  • Lithium bromide - 0.9g

Buy Reh's New generation collodion here

Cadmium Free Collodion

  • USP Collodion - 108ml
  • Ether - 71ml
  • Ethanol - 71ml
  • Potassium iodide - 1.8g
  • Potassium bromide - 1.4g

Buy Cadmium free collodion here

Poe Boy Collodion - Cadmium free and No added ether

  • USP Collodion - 110ml
  • Ethanol - 140ml
  • Potassium iodide - 2.3g
  • Potassium bromide - 1.4g

Buy Poe Boy collodion here

New Guy Negative Collodion

  • USP Collodion - 108ml
  • Ether - 71ml
  • Ethanol - 71ml
  • Cadmium bromide - 0.9g
  • Ammonium iodide - 2.2g

Buy New Guy Negative collodion here

Ambrotype with Zinc

  • USP Collodion - 55ml
  • Ether - 135ml
  • Ethanol - 60ml
  • Cadmium bromide - 0.56g
  • Cadmium iodide - 1.12g
  • Zinc iodide - 1.12g

Adolphe Disderi - Winter

  • USP Collodion - 50ml
  • Ether - 120ml
  • Ethanol - 80ml
  • Ammonium bromide - 0.12g
  • Ammonium iodide - 1.13g
  • Cadmium bromide - 0.08g
  • Cadmium iodide - 0.75g
  • Iodine - 0.1g

Adolphe Disderi - Spring

  • USP Collodion - 47.5ml
  • Ether - 97.5ml
  • Ethanol - 105ml
  • Ammonium bromide - 0.19g
  • Ammonium iodide - 0.94g
  • Cadmium bromide - 0.19g
  • Cadmium iodide - 0.95g
  • Iodine - 0.1g

Adolphe Disderi - Summer

  • USP Collodion - 47.5ml
  • Ether - 97.5ml
  • Ethanol - 105ml
  • Ammonium bromide - 0.1g
  • Ammonium iodide - 0.94g
  • Cadmium bromide - 0.04g
  • Cadmium iodide - 0.56g
  • Iodine - 0.04g

Copy/Engraving collodion

  • USP Collodion - 42.5ml
  • Ether -100ml
  • Ethanol - 107.5ml
  • Ammonium iodide - 1.9g
  • Iodine - 0.04g

Positive developers

New Guy Collodion

  • USP Collodion - 108ml
  • Ether - 71ml
  • Ethanol - 71ml
  • Cadmium bromide - 1.3g
  • Ammonium iodide - 1.8g

Buy New guy collodion here

Negative developers

Ferrous sulphate developer

  • Distilled water - 1000ml
  • Ferrous sulphate - 18g
  • Ethanol - 55ml
  • Glacial acetic acid - 60ml

Fixer

Hypo Fixer (15%)

  • Distilled water - 1000ml
  • Sodium thiosulphate - 150g

KCN Fixer

  • Distilled water - 1000ml
  • Potassium Cyanide - 20g