You should do:
1. Use AdBlue which registered by VDA certificate.
2. Protect AdBlue from any contamination of fuel, oil, water, dust, dirt, metals, detergent by using only sealed equipment.
3. Use dedicated AdBlue equipment for storage and dispensing.
4. Storage temperature should below 30ºC to maintain the shelf life of 12 months.
5. Storage temperature should above -11ºC in order to keep the product in liquid form.
You should not do:
1. Don't use AdBlue as a diesel additive.
2. Don't add AdBlue into fuel tank and operate your diesel vehicle without AdBlue.
3. Don't store AdBlue in direct sunlight.