brown water

Hello everyone, I have a 30 gallon tank and it is a few months old now. I have one shrimp and one clown in there for now. I did not want to over do it starting off being this is my first salt water tank. Water was clear until this past Friday when I did a water change. I have been having...

Hello! I have one 30 gallon tank and one 40 gallon tank both with goldfish in them currently. We've had the 30 gallon tank for a few months. It was doing really well at first. About a month ago, the water started to turn brown. We did a water change and cleaned everything. After just a couple...