[Jewelry making - Article 00248] - Re: [Orchid] Alum pickle

[Terry & Bereni]

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    Hi, I have been using alum for years and have never had any poblems
    with disposal or fumes. It is relatively clean (used as a floculant
    for cleansing water). As long as you use a pickle unit or slow
    cooker (cheaper to buy) and keep the unit warm, oxides are removed
    effectively without acids. Alum should be avaliable through a
    pharmacy or drug store as the say in the US. 

    P.S you can also grow some really cool crystals. Oh by the way I
    dilute 3 parts water for 1 part Alum approx. But if you need a
    stronger solution add more Alum. Time to change? When solution
    appears blue. Probably saturated with copper and thus no longer
    effective. Time for a new solution. I am not sure on the disposal
    protocols in your country but I would imagine it would be very low
    level waste. probably equaliviant to grey water. 

Best regards
Terence M Dillon



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