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  1. #11
    gainer's Avatar
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    Sep 2002
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    My only reason for seeking a non-carbonate activator was the calcium in my tap water, which causes a cloudy precipitate and could in fact reduce the pH. I'm sure I had a higher concentration of NaOH than you would find in even saturated metaborate, but I lost track of my recipe. If you use softened or distilled water, why not use the carbonate?

    I can no longer get the NaOH locally, but I can get slaked lime and sodium carbonate, from which I can make NaOH.
    Gadget Gainer

  2. #12
    patrickjames's Avatar
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    Mar 2005
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    Thanks for all the replies. I guess I will just try it both ways and see what happens. Anyone want to hazard a guess as to how much faster the developing times will be with the 10% NaOH? I think I am in the 12min range right now.

    Patrick

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