Durgol Universal 500ml

  • Very fast operation
  • Safe, odorless and tasteless
  • Effective corrosion protection
  • Very rapidly biodegradable > 99.5% in 18 days

The Swiss original against limescale
‍ Durgol Universal is an ecological fast descaler based on sulfamine and citric acid for kitchen appliances, household items, surfaces, and fixtures.

A combination of powerful action and minimal environmental impact. The special formula guarantees efficient descaling without damaging the material. For descaling filter machines and kettles, we recommend using 125 ml Universal Bio. A kettle can simply be descaled with cold water! The product meets the criteria of “ready biodegradability” according to guideline OECD 301E.

Suitable for


  • Swiss efficiency since 1951
  • Ready for immediate use
  • Very rapidly biodegradable > 99.5% in 18 days
  • 500 ml dissolves approx. 30 grams of lime
  • Effective corrosion protection, both diluted and undiluted
  • Free from fragrances, colours and preservatives
  • 5 x faster than citric acid and vinegar

When tap water is heated, limescale deposits form. These deposits often cause technical problems and shorten the lifespan of your appliances. The appliance's energy consumption also increases, as the limescale on the heating element prevents optimal heat transfer to the water.

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Frequently Asked Questions

For a complete overview of frequently asked questions, click here

What is so special about durgol universal bio?

Durgol Universal reliably and gently removes limescale from all household items, with minimal impact on the environment. Durgol Universal Bio has a biodegradability of >99.5% after 18 days and meets the criteria of "ready biodegradability" according to the OECD 301E guideline (tested by SGS INSTITUT FRESENIUS). Furthermore, Durgol Universal Bio contains no unnecessary components such as fragrances, colorants, and preservatives. The "ready for biodegradability" classification is the highest level of biodegradability that can be achieved. This is regularly tested and confirmed by the renowned SGS INSTITUT FRESENIUS. The regular checks ensure that the sealed product Durgol Universal Bio permanently meets the strictly defined test parameters. You can find more information here:

www.qualitaetssiegel.net/de/qualitaetssiegel

How does durgol universal differ from durgol universal bio?

Durgol Universal Power has a particularly fast action and a high lime-dissolving capacity. Durgol Universal also reliably dissolves lime, with minimal impact on the environment. Durgol Universal Bio is >99.5% biodegradable in 18 days and is therefore the more environmentally friendly variant. Its ecological added value is regularly tested and confirmed by the renowned SGS INSTITUT FRESENIUS. Durgol Universal Bio has a slightly lower lime-dissolving rate than Durgol Universal. However, this difference is hardly noticeable to the user of the product.