ChemicalSuppliers

Darkroom photography chemicals

Developing agents, fixers and stop baths for film and paper, plus cyanotype and alternative prints.

22 chemicals we have prices for. The price is the lowest by weight in any pack size; tap a chemical for every store and pack.

  1. HydroquinoneDeveloping agent $103 per kilogram1 store
  2. PhenidoneDeveloping agent $455 per kilogram1 store
  3. L-Ascorbic AcidDeveloping agent in vitamin C developers $19.90 per kilogram5 stores
  4. PyrogallolStaining developer $1,959 per kilogram2 stores
  5. CatecholStaining developer $75.94 per kilogram3 stores
  6. Sodium SulfiteKeeps developer from spoiling $49.27 per kilogram3 stores
  7. Sodium CarbonateSpeeds up developer $2.26 per kilogram5 stores
  8. Sodium Carbonate MonohydrateSpeeds up developer $27.58 per kilogram1 store
  9. BoraxGentle developer accelerator $3.06 per kilogram4 stores
  10. Sodium HydroxideStrong developer accelerator $1.72 per kilogram5 stores
  11. Potassium BromideRestrainer; keeps fog down $45.06 per litre2 stores
  12. Acetic AcidStop bath $2.35 per litre5 stores
  13. Citric AcidOdorless stop bath $2.98 per litre8 stores
  14. Citric Acid MonohydrateOdorless stop bath $2.27 per kilogram3 stores
  15. Sodium ThiosulfateFixer (hypo) $5.35 per litre4 stores
  16. Sodium Thiosulfate PentahydrateFixer (hypo) $15.90 per kilogram2 stores
  17. Sodium MetabisulfiteKeeps fixer acid $4.00 per kilogram4 stores
  18. Aluminum Potassium Sulfate DodecahydrateHardener $33.35 per kilogram1 store
  19. Potassium AlumHardener $25.98 per kilogram3 stores
  20. Potassium FerricyanideCyanotype prints; bleach $9.77 per litre3 stores
  21. Ferric Ammonium CitrateCyanotype prints $78.00 per kilogram1 store
  22. Silver NitrateSalted paper and wet plate prints $35.05 per litre3 stores

Other uses

Read each product's safety data sheet before you use it, and follow your local rules. We list what stores sell; we do not give recipes or amounts.