When I was keeping marine aquaria and collecting my own specimens (of fish)
I always used "virgin" buckets - that never had soap in them. Even a trace
of soap in a bucket would kill some fish.
I don't think mollusks were affected, though.
Peggy
Shell Collecting Trips Around the World
Visit my website at http://www.mindspring.com/~shellelegant
Peggy Williams
Shell Elegant
PO Box 575 * Tallevast FL 34270
(941) 355-2291 * [log in to unmask]