In reply to andic:
> (In reply to Ben Sharp)
>
> Jif/cif and some lemon juice or vinegar
That´s about it, we use citric acid to clean and passivate our stainless bolts together with ceramic abrasive. A mix of Cif and concentrated lemon juice 8somewhere around 12% and wear gloves)is the same, or of course you just buy some stainless steel cleaner!