Will using Adblue that's over 18 months old damage the catalytic converter?

Will using Adblue that's over 18 months old damage the catalytic converter or any other of the car's components?

Asked on 4 October 2019 by PHILIP BOZILOVIC

Answered by Honest John
It quite quickly crystallises so it's not the sort of stuff to store in quantity. That's why a two-litre top up bottle costs £10 and 10 litres costs £15.
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