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.

Take a look at real freshwater aquariums I maintain and clean, showing how proper aquarium maintenance keeps tanks healthy, clear, and thriving.

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.

Quartz and Cocoa are thriving together in a 36-gallon bow front, enjoying sand foraging, smooth wood décor, and a calm goldfish-friendly setup.