Hi gang,
I have some untreated Paryphanta that seem to hold up satisfactorily.
However, I do know how to make them explode readily: rinse them in water,
and they will not last many days after air drying...
John Wolff [log in to unmask]
2640 Breezewood Dr. (717) 569-6955
Lancaster, PA 17601, U.S.A.