Andrew Grebneff wrote:

> So I have about 80,000 of these 6x50 tubes... they are absolutely
> IDEAL for micros... except that they may ruin shells. I must say that
> the damage to my shells occurred while they were stored at work. I
> have seen NO deterioration of shells stored only at home in these
> same vials, so I am not about to dispose of them. But I DO have to
> check the contained specimens now and then!

I think that humidity plays a big part in these reactions and could probably be
my main problem. This rules out gelatine capsules as well. But if the capsules
are sealed in the glass tube..............it may work.

Thank you ALL who responded to the preservatives problem.
--
Constantine Mifsud,
4, Shepherds' Str.,
Rabat RBT 02,
MALTA.
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