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What went wrong?

There are water marks on my negatives

Faint rings, tide marks or streaks, often visible when the film is held at an angle and showing in scans.

Check this first

Do the marks wipe off with a soft cloth on the shiny (base) side?

Likely causes

  1. 1.

    Hard water and no wetting agent

    Common
    How to tell
    Chalky rings or streaks, common in hard-water areas of the UK.
    Fix
    Use a final rinse in distilled or deionised water with a drop of wetting agent. Rewash marked film and dry it again.

Avoiding it next time

  • Final rinse in distilled water with wetting agent.
  • Hang film to dry without wiping it.

Go deeper

Other negatives problems

Last checked October 2026. Seen something different? Tell us.

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