Andrew,

I'm not sure that I totally agree with this statement.

> Soda-glass is supposedly safe, but I have soda-glass tubes which have
glass disease.

see http://nautarch.tamu.edu/class/anth605/File5.htm

I would consider glass make with soda lime and potash (K+) to be suspect;
as you imply in the second part of your statement. I tend to favor
borosilicate glass and maintaining a somewhat dry environment where I
store may specimens (RH 45-55%).

Regards,
Charlie
.................................................
Research Associate - Section of Mollusks
Carnegie Museum of Natural History
Pittsburgh, PA, USA

Assistant Professor - Family Medicine
Fellow-American Academy of Family Practice
Fellow-Academy of Wilderness Medicine

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