Fancy goldfish are beautiful fish, but they produce a huge amount of waste and require stronger filtration than many people realize. In this aquarium maintenance video, I upgraded a struggling goldfish tank’s filtration system, improved circulation, and cleaned out heavy buildup to help create a healthier, more stable environment long-term.

Goldfish are not bowl fish. Learn the proper goldfish tank setup, why bowls cause problems, and how to keep your tank clean and your fish healthy.