Instead, it seems that they have an "odd" source of seawater that appears to have an altered chemistry that's manifesting the reported color changes, etc. It could be something as simple as an odd underground "bypass route" to the reef from their garbage dump that got an extra-strong "flush" from Hurricane Ivan to manifest the toxic effect. Maybe we should put together a request for a Research Grant? :-) -Hugh I recall the town of Hell on GC and the odd formations there. COuld be maybe related?