Thank you all for all your information.

On 28 Nov 2004 08:13:27 -0800, (Doug) wrote:

>I think glycerin is glycerin. It's a chemical compound (I can't quote
>the atomic composition). I think the reason to use "food grade"
>glycerin is that you want to assure that any impurities in the product
>won't be hazardous to human health. Many chemicals come in lower
>quality grades for industrial purposes - the purest ones are used for
>pharmaceuticals and in food processing. You should be able to find
>"food grade" glycerin at most drug stores (look for the initials USP
>somewhere on the label).
>
>Doug
>
>
>"J Dixon" > wrote in message >...
>> Bob, Cant say for fact, but I am relatively sure that there is more than one
>> form of Glycerin as I have seen it specifically stated to acquire "food
>> grade". HTH
>> John Dixon