Something in my tank just isn't quite right...

[outacontrol]

Words of advise that most of us here have learned from "The only things that happen fast are BAD!" Nothing good in fish keeping ever comes fast.

I would slow down and not add anything new until everything becomes stabil.

So it the tank only about a month old?

[amy]

The tank was transferred over from an existing tank 6 weeks ago. But we used only half of the old water and put all new sand in.

[fiorano]

could the issue maybe stem from the old sand? I know i've heard horror stories of people moving the sand and causing a tank crash. But i guess that would of happened much faster...