Aquarium Rescue
Fish Acting Weird After a Water Change? What to Check First
Fish acting weird after a water change usually means temperature, chlorine, ammonia, nitrite, pH, or oxygen changed too…
Fish acting weird after a water change usually means temperature, chlorine, ammonia, nitrite, pH, or oxygen changed too…
Fish parking in the filter outflow is usually oxygen-seeking — an early low-O2 warning. Learn to tell distress…
Quick answer: Fish gasping at the surface almost always means low dissolved oxygen or gill damage from ammonia…