The friendliest place on the web for anyone with an interest in aquariums or fish keeping!
If you have answers, please help by responding to the unanswered posts.
In my 5.5 I put in two rocks (small)that were in the tank a while back they had already been washed but they were in my cabinet for a while... And then a few days later my water turned murky and two fish died... Does anyone know what could've happened and how to treat it? Here's a pic of the tank: