SunGrow 10-Gallon Betta Sponge Filter, Underwater Center Aquarium Filter, Attach it to Air Pump (Not Included) to Run, Works for Tropical Fish & Breeder Aquarium, Perfect for Fry & Small
How to Care for a Betta Fish in a Vase (with Pictures) - wikiHow Pet
3 Gallon Self-cleaning Aquarium KIT Lid Waterfall Basin Dazzle LED Air Pump
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Should I Keep My Betta in a Vase?
How to Clean a Betta Fish Tank
Emergency: Performing a Fish-in Cycle The RIGHT Way
What will happen if I take my betta fish out of the tank it's been in for 2 years (a very small vase, that I didn't know was not healthy for betta