Bardahl AdBlue Treatment SpecificationsBardahl AdBlue Treatment cleans and maintains the AdBlue injection system and catalytic converter of diesel vehicles. Its formula prevents crystallisation of urea one of the components of this aqueous solution designed to reduce nitrogen oxide emissions and ensures better spraying of the injector. As a result the SCR (Selective Catalytic Reduction) system in the DPF (Diesel Particulate Filter) benefits from an extended service life and pollutant emissions are reduced.How to use: Pour the contents of the bottle into the AdBlue container in the recommended dosage. Then pour the treated AdBlue into the tank.