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Thread: Does ESSRI have a shelf life?

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    Default Does ESSRI have a shelf life?

    I want to buy some ESSRI. Is it a bad idea to buy, say, a yearís worth at a time? I know the cool-and dark bit, Iíve used Diamine Registrars for a few years, but itís easy to get, so Iíve always just bought one or two at a time, 100ml. Iíd like to buy several bottles of ESSRI, but I donít want it to go bad and throw away good ink money.

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    Senior Member Jon Szanto's Avatar
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    Default Re: Does ESSRI have a shelf life?

    It seems to be a pretty small operation - maybe you could just write to the ESSRI people and ask them? I confess that I purchased a bottle years ago but haven't been using it for the last couple of years. I decanted about half into a Montblanc "boot" and it sits on my desk. I'll give it a try and let you know what I find out.
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    FPG Donor ♕ Chrissy's Avatar
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    Default Re: Does ESSRI have a shelf life?

    Are they really so different that you would want large stocks of both? I would just carry on buying a couple of bottles at a time of whichever one you prefer to use over a reasonably short period.

    They both eventually change colour when written with because of the IG content, and I can't help but think the IG in the bottle would change over a couple of years.

    I would say, let them maintain their stocks in the very best condition, and buy it as fresh as you can.
    Regards, Chrissy | My Blog: inkyfountainpens

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    Default Re: Does ESSRI have a shelf life?

    I've had the same bottle for over three years with no untoward effects or deterioration so far. Used it this morning to address some envelopes.

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    Default Re: Does ESSRI have a shelf life?

    Quote Originally Posted by Chrissy View Post
    They both eventually change colour when written with because of the IG content, and I can't help but think the IG in the bottle would change over a couple of years.
    Does this affect the viability of the ink? Or just the color?

    Thank you all for your help.

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    Default Re: Does ESSRI have a shelf life?

    Sealed bottles should be safe, if kept in a dark place.
    It's really a solid product.

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    FP Enthusiast Emeritus mhosea's Avatar
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    Default Re: Does ESSRI have a shelf life?

    I think the ink is generally good, but there is an insoluble precipitate that collects at the bottom of a bottle over time. The advice to decant or otherwise not shake ink before filling a pen is based on the behavior of inks like ESSRI.
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