Quote:
Originally Posted by capt.smash
BSMStar no special steps taken i suspected the acidity of the fruit juice keeps the nickel clean although it did stain very slightly but after i removed the blade from the solution and ran a rag over it .....[there seemed to be a residual loose covering of stain all over the blade] it wiped off to the level that you see it now and has stayed like this despite weeks of handleing and further whipeing...i got the impresion that if i had left it any longer then the nickel would indeed have been stained....i also suspect that if this uccured then you could bathe or polish the blade with a rag soaked in lime juice to get the desired afect as the reaction that causes the staining afects and takes purchase much more on the steel than the nickel steel. 
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Thanks Smashy!
If my memory is correct (and I am getting older, so don't hold me to it), Potassium Sulfide reacts more quickly than traditional Warangan. So I will start with a more dilute solution. I will experiment on the pesi first and see what happens. Thanks for the help.