[Jewelry making - Article 00154] - [Orchid] Cuttlefish Casting Problem with firescale

[toni]

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Hi there

    I did another cuttlefish casting this weekend but this time it came
    out absolutely black in places. Not the whole thing. I've tried
    pickling it, even made a fresh batch when it didn't seem to be
    coming clean. 

    I had a spill over the edge of the mould into sand and these pieces
    have cleaned up perfectly, so has part of the piece itself. The rest
    is black, orange etc and it just doesn't want to come clean. 

    I didn't have the same prob last time, the only difference is that I
    used borax instead of flux when I melted the silver, I even used the
    same silver as last time, the knob that I cut off of the first cast
    that is. 

Thanks
Toni

 
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