When aquarium water is what turns yellow or brown, it tends to freak out the owner. It's beside the point that what caused the color change has probably been coming on for weeks or months. Today it looks like a potty, and we all know how bad that is! What is an owner to do? It's not like the aquarium can be flushed, or vigorously swished out with toilet bowl cleaner. Thankfully it can be fixed, and in many cases is not immediately lethal. Here's how to deal with yellow or brown aquarium water.
Cleaning a Dirty Aquarium
Photo © Shirlie L Sharpe