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Thread: The dreaded S.I.T.B.

  1. #21
    Senior Member FredRydr's Avatar
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    Default Re: The dreaded S.I.T.B.

    Quote Originally Posted by Cayce04 View Post
    ...I am wondering if it might be acidification of the surfactants that would cause a polymerization to form the slime.
    Find out, then explain to let us know!

  2. #22
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    Default Re: The dreaded S.I.T.B.

    I pulled out a bottle of ink the other day, and the plastic cap was bowed up as if it were under pressure. Sure enough, when I opened it, it made a hissing sound like a tiny beer can being opened. It looked fine, smelled fine... I threw it away. I took the pressurization as a sign of some kind of bacterial activity.

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    Golden Ghost Chemyst's Avatar
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    Default Re: The dreaded S.I.T.B.

    Quote Originally Posted by azkid View Post
    For those taking a look at linked post, the OP in his enthusiasm failed to state the most important thing:

    Once you have SITB, all bets are off concerning how your ink will perform. Biocides should be used to prevent SITB, NOT treat it.

    Once SITB has set in, that almost certainly means solution chemistry has changed. The organisms responsible have been eating the dye, surfactant or other ink component.

    Treatment may kill the organisms but still leave you with an altered/unusable ink.

    Worse, treatment may kill the fruiting bodies, but leave residual spores that can stage a comeback and second infestation once biocide levels drop due to evaporation, oxidation or other pathways.

  4. The Following 2 Users Say Thank You to Chemyst For This Useful Post:

    Chrissy (December 20th, 2019), Pterodactylus (December 20th, 2019)

  5. #24
    Senior Member FredRydr's Avatar
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    Default Re: The dreaded S.I.T.B.

    Will I have a sales advantage if, at the pen show this weekend, I wipe down all my pen offerings with Shaklee Germicide? I wonder if viruses will succumb to the stuff.
    Last edited by FredRydr; March 5th, 2020 at 12:53 PM.

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    Senior Member awa54's Avatar
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    Default Re: The dreaded S.I.T.B.

    The bad apples in my ink rotation over the last three decades have been:

    PR Tanzanite

    Omas Sepia

    Herebin Eclat de Saphir

    I still mourn the loss of the Omas...
    David-

    So many restoration projects...

  7. #26
    Senior Member FredRydr's Avatar
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    Default Re: The dreaded S.I.T.B.

    Quote Originally Posted by awa54 View Post
    ...Omas Sepia...I still mourn the loss of the Omas....
    PM me if you want another bottle or two.

  8. #27
    FPG Donor ♕ Chrissy's Avatar
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    Default Re: The dreaded S.I.T.B.

    Quote Originally Posted by awa54 View Post
    The bad apples in my ink rotation over the last three decades have been:

    PR Tanzanite

    Omas Sepia

    Herebin Eclat de Saphir

    I still mourn the loss of the Omas...
    I also lost a bottle of Omas ink to S.I.T.B. Mine was purple. Part of the contents "superglued" itself all around the insides of the glass surface and all that remained was an almost colourless liquid. It was really odd and took a lot of time to get the inside of the bottle clean.
    Regards, Chrissy | My Blog: inkyfountainpens

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