Your fish tank water is usually cloudy because of a bacterial bloom, algae growth, tannins, or suspended debris from waste or disturbed substrate. Test ammonia and nitrite first;…
When to Take Action if Your Fish Look Unhealthy
Take action right away if you notice lethargy, hiding, clamped fins, loss of appetite for 24 to 48 hours, abnormal swimming, or white spots, frayed fins, or ulcers.…
How to Tell if Your Fish Are Stressed
Your fish may be stressed if you notice rapid or erratic swimming, darting, surface hovering, gasping, hiding, loss of appetite, faded color, torn fins, or isolation from the…
Signs Your Fish Are Sick (and What to Do Next)
You may have a sick fish if you notice faded color, frayed fins, cloudy eyes, odd swimming, hiding, loss of appetite, rapid gilling, white spots, sores, or swelling.…
Common Fish Tank Problems and How to Solve Them
Common fish tank problems usually show up as cloudy water, debris, algae, or planaria, and they often point to overfeeding, weak filtration, or unstable cycling. If ammonia or…
Why Your Fish Keep Dying (and How to Fix It)
Your fish are usually dying because the tank’s biofilter isn’t fully cycled, so ammonia and nitrite build up and poison them. Test ammonia, nitrite, nitrate, pH, and temperature…