Originally Posted by menagerie
smilla4--what happened to your post?? You were googling for the answer too and have a long post there yesterday....
I was in a pretty hyper mental state and thought it would be best to delete some of the posts I posted I thought they might be too much or not make sense.
Basically I discovered that the reason Erytho might be harmful to inverts is that it kills off symbiotic bacteria - this was in reference to marine tanks. I don't know anything about saltwater tanks, but I guess this is in reference to live rock?? (article on marineland site)
And also greenpeace.org had a mention of shrimp farmers using erytho. as a preventative measure to keep their shrimp "healthy".
I also found mention of it as an endocrine disruptor (DDT is an endocrine disruptor, according to what I read). So that is not good. But I don't know how potent it is in comparison...
I know from experience that overdoses of amquel that fish can tolerate (even minnow) aren't handled well by ghost shrimp (ie they die). So basically there are things they're sensitive to that fish aren't (I guess copper too).
I also emailed aquatronics website (makers of myacin, etc) and someone emailed me back today saying they were no longer in business!
So basically my conclusion is that snails and shrimp are likely to be safe, but I can't be 100% sure. And I can't say my sources are 100% correct either. I guess that's not very helpful...