Betta Breeding Box – Modular In-Tank Spawning

🐟 Betta Breeding Box – Modular In-Tank Solution

This modular 3D-printed Betta breeding box is designed for safe, controlled, and stress-free Betta splendens breeding directly inside your main aquarium.

Developed through real-world breeding experience, this box allows male and female Bettas to see, sense, and condition to each other, while preventing injuries until the perfect moment for spawning. My glass is 10mm thick.

✅ Key Features

• Modular design – removable center divider (plexiglass compatible)
• In-tank use – benefits from stable temperature and mature water
• Safe conditioning phase – visual contact without physical harm
• Spawning-ready layout – optimized for bubble nest building
• Compact footprint – suitable for large and small aquariums
• 3D-print friendly – no supports required (depending on orientation)

🧠 Why use an in-tank breeding box?

• No need for a separate breeding aquarium
• Stable water parameters reduce failed spawns
• Less stress compared to constant fish transfers
• Easy observation and control during all breeding phases

🛠 Printing & Usage Notes

• Recommended material: PETG or PLA+
• Use plexiglass or acrylic sheet as a removable divider
• Designed for low to no water flow during spawning
• Decorations can be placed on one side only for easy divider insertion

⚠️ Important

This model is intended for experienced or informed Betta breeders.
Always monitor fish behavior and remove the female after spawning.

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