I've left numerous posts about my dying turbos and something just occured to me tonight.... the whole time these bad boys have been dropping like flies, I've had this other ??elephant snail?? in the sand and he's been through all the same stuff if not worse..... so any ideas on why the turbos are dropping????? most of them just lay there with their foot exposed and shrivled..... no matter if I flip them over etc... .the just won't attach......