Just out of curiosity, do snails encounter the same issue with osmoregulation when switching rapidly between hard and soft water that fish do? On Mar 12, 2008, at 9:39 AM, Shango Los wrote: > How long of a dip back into a hard water bucket with air hose is > suffient to > harden the shells again? > > _______________________________________________ > GSAS-Member mailing list > GSAS-Member@thekrib.com > http://lists.thekrib.com/mailman/listinfo/gsas-member _______________________________________________ GSAS-Member mailing list GSAS-Member@thekrib.com http://lists.thekrib.com/mailman/listinfo/gsas-member