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Type: Posts; User: Ned.Lewis

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    Congratulations and I hope it makes it all then...

    Congratulations and I hope it makes it all then way then wins a very appropriate blue ribbon!
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    Home now and did bring back some Hawaiian alaea...

    Home now and did bring back some Hawaiian alaea salt to try salt printing with :D
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    I'm sorry to report I didn't bring one. I...

    I'm sorry to report I didn't bring one. I thought about it and thought about it and finally decided not to try to take them through airport security. Mine all use paper negatives or instant film......
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    Thanks Earl, now I know what I'm looking for. ...

    Thanks Earl, now I know what I'm looking for. The one I saw was in a green box and I couldn't tell if it was only sulfamic.
    We just arrived on Maui so will look when we get home :)
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    I went to a local hardware store and found some...

    I went to a local hardware store and found some "dry acid" cleaner that contained sulfamic acid, but the container did not list whether it also contained other ingredients so I held off... will try...
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    Earl, thank you that was very interesting to...

    Earl, thank you that was very interesting to read. I will get sulfamic acid when I make my next order. These processes take enough effort and have so many stumbling points, it is worth attending to...
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    Thanks, yes, I was thinking of acidifying the...

    Thanks, yes, I was thinking of acidifying the paper initially. I did not get a successful calotype until I acidified my paper. I used diluted vinegar, but I read of others using citric or sulfamic...
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    Earl, is there a reason sulfamic acid is...

    Earl, is there a reason sulfamic acid is preferable to acetic or citric acids? The cyanotype looks like it goes all the way from dense dark to nice highlights, well done!
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