Betta Cube Aquarium Tank Size ( 6 x 6 x 6 Inches)

Betta Fish and Small Tanks

• Minimum Tank Size: Betta fish are often sold in small containers, but ideally, they should be kept in tanks of at least 2.5 to 5 gallons. A 1.13-gallon tank is on the smaller side, so it will require more frequent maintenance and careful monitoring.

Aquarium Equipment

• Filtration: Due to the small size, finding a filter that works without causing strong currents is important. Bettas prefer calm water. A small sponge filter or internal filter could work well in a tank of this size.
• Heater: Bettas are tropical fish, and they thrive in water temperatures between 75-80°F (24-27°C). Small heaters designed for nano tanks are available and should be used to maintain a stable temperature.
• Lighting: Since bettas are not demanding in terms of light, a small LED light can suffice. Be careful to avoid overheating the water if the light emits heat.

Aquascaping

• Substrate: A thin layer of gravel or fine sand can be used as a substrate. Keep in mind that less substrate is better to avoid taking up too much of the small space.
• Plants and Decorations: Live plants like Java moss, Anubias, or floating plants can help with water quality and provide hiding spots for the betta. Soft decorations are preferable to avoid tearing the betta’s delicate fins.

Betta Behavior in Small Tanks

• Space: Bettas can survive in small tanks, but they tend to thrive in larger environments where they can swim freely. In a small tank like this, your betta may become stressed if the water quality is not properly maintained.
• Cover: Bettas like to have places to hide, so adding small plants or structures can help them feel secure.

Maintenance

• Frequent Water Changes: Due to the limited volume, water quality can deteriorate quickly in small tanks. Perform partial water changes (about 50%) 2-3 times a week to ensure ammonia and other toxins don’t build up.
• Water Testing: It’s crucial to regularly test the water for ammonia, nitrites, and nitrates since even small spikes can be harmful in such a small volume.