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AdBlue Storage Guidance

In order for AdBlue to remain in a useable condition certain storage requirements need to be met.

Likewise, there is a responsibility to site operators to ensure that the product is stored correctly and that measures are in place to minimise the risk of accidental release and subsequent pollution.

It is important that the temperature of AdBlue does not fall below -11°C simply as the solution will freeze and become redundant until fully thawed. Likewise the storage temperature should not exceed +30°C as the quality of the solution is compromised and shelf life significantly reduced.

AdBlue decomposes over time in storage to form ammonium hydroxide and carbon monoxide, when this stage is reached it will no longer meet the specification requirements of ISO22241.


Suitable Containers for AdBlue

AdBlue should always be stored in a suitable container made from compatible materials:

Generally this is either an inert plastic (HDPE for example) or a suitable grade of Stainless Steel.

Some steel tanks can be lined but it is important that the lining/coating is compatible with AdBlue. Tanks which are lined, especially those underground, should be checked periodically for deterioration.

Likewise, some plastic containers feature colouring pigments which can leach into the AdBlue solution and cause deposits to be left on the vehicles SCR system.


Regular testing

Regular screening of the AdBlue taken from your storage tank will determine if its quality has been compromised.

Commercial Fuel Solutions Ltd offer free sample testing of our product to our account customers to both confirm the product is fit for use and assure that the handling equipment is suitable.


Do’s and Don’ts

  • Use dedicated storage containers which are compatible with AdBlue
  • Observe the shelf life recommendations in the section titled ‘Handling Guidance’ 
  • Follow environmental guidance and have a spill response plan in place
  • Test product periodically to confirm suitability and avoid costly SCR replacement


  • Do not use storage containers which have previously contained other products
  • Do not store AdBlue in direct sunlight or other locations above +30°C
  • Do not use product which has been in storage for long periods without testing