You see Larry that's why I also check aquarium medications before I use
them, as most deliver a dose rate below the recommended acceptable level.
Its what's know in the trade as the "idiot factor" for those people who
think more is better :-)
One thing about it they wont rot away - you'll be able to keep them forever!
Adrian.
Adrian R. Tappin
"Home of the Rainbowfish"
http://www.ecn.net.au/~atappin/home.htm