> From: [EMAIL PROTECTED]
> Date: Wed, 13 Dec 2000 17:09:33 -0500
> 
> I beg to differ with you. Ive used it, and purchased it in its purest form 
> for other reasons other than dealing with geckos. Pumice is the common name, 
> Zinc Sulphate is the chemical name. It can be bought in a variety of 
> different technical grades from chemical supply houses. As of this writing, I 
> have a bottle that was purchased from City Chemical in NYC,  The label says, 
> Zinc Sulphate and in parenthesis Pumice Powder! 

Wow, that's pretty strange.  If pumice the natural rock were actually zinc
sulphate, I'm sure the Canary Islands would have been mined to the water line
for zinc!  I've never heard of pumice as a common name for zinc sulphate, but
they wouldn't print it on the label if it weren't true, eh?

At any rate, I guess anyone who wants to buy pumice (the volcanic rock)
should be careful that that is what they are getting, since zinc sulphate
would be soluble enough that any eggs incubated in it could well be poisoned
by the zinc, or pickled by the salt in general.

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