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White 1 litre plastic bottle with red and black Ilford label

Ilford

Ilford Universal Wash Aid Liquid 1 Litre film camera

SKU CH-NRGN-4NDPF

Hypo-eliminator liquid concentrate speeds washing of fibre-based papers and films, reducing water use and processing time

  • Hypo-eliminator removes fixation by-products efficiently
  • Ion-exchange action speeds fibre-based paper washing
  • Compatible with Ilford optimum permanence sequences
  • Reduces wash time for films and papers
  • Conserves water during processing

What it is

Ilford Universal Wash Aid Liquid is a hypo-eliminator concentrate formulated to speed up the washing of black-and-white films and fibre-based papers. It removes thiosulphate by-products of fixation through ion exchange, reducing the time and water required for final wash steps. The product is intended for darkroom users who follow Ilford optimum permanence sequences.

Installation and common issues

The concentrate is diluted with water according to the manufacturer’s recommended ratios before use. No special equipment is needed beyond standard developing trays or tanks. Over-dilution can reduce washing efficiency, while insufficient agitation may leave residual fixer in the emulsion. Hardening fixers increase the importance of accurate dilution and thorough rinsing.

Key specification

The 1 litre liquid concentrate format determines how many working‑solution litres can be prepared for a given darkroom session. Buyers processing large volumes of fibre-based paper should verify that a single bottle covers their typical batch size. Users who only process occasional rolls of film may find the concentrate lasts through many sessions.

Highlights

  • Hypo-eliminator removes fixation by-products efficiently
  • Ion-exchange action speeds fibre-based paper washing
  • Compatible with Ilford optimum permanence sequences
  • Reduces wash time for films and papers
  • Conserves water during processing

Specifications

No published specifications for this item yet.

Questions about this item

How can I confirm the wash aid is working correctly after mixing it for my film processing?

The concentrate reduces thiosulphate by-products through ion exchange; you will see fibre-based papers wash clear in the shorter Ilford optimum permanence sequence, saving both time and water.

What is included in the package and do I need any extra chemicals to use it?

The bottle contains 1 litre of liquid concentrate. You still need developer, stop bath, fixer and a water supply — the wash aid is an additional step, not a replacement.

Should I choose this 1 litre size or a different capacity for my darkroom workflow?

The product is supplied only as a 1 litre concentrate; if your volume is higher you would purchase multiple bottles rather than a larger single size.

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