🍼 Fluval Breeding Box – 0.3 Gallon (Hang-On External Nursery Box)

The Fluval Breeding Box (0.3 gal) is a compact, hang-on external nursery designed to safely separate fry, eggs, or injured fish from the main aquarium. By using your tank’s existing heater and filtration, the breeder box provides a stable growing environment while keeping small or vulnerable fish safe.

Perfect for livebearers, shrimp, bettas, egg-scatterers, or temporarily isolating fish, this breeder box is a must-have tool for hobbyists and breeders.

🌟 Key Features

🍼 Safe Space for Fry – Protect newborns from adult fish
💧 Uses Tank Water Flow – Maintains stable temperature & water quality
🔧 Easy Hang-On Design – Fits most rimmed & rimless tanks
🌱 Great for Shrimp & Small Species – Gentle flow, safe environment
🔒 Also Works as a Quarantine/Isolation Box
✂️ Includes Divider Options – Raise multiple fry batches

📏 Specifications

• Capacity: 0.3 Gallon
• Placement: External hang-on design
• Flow: Powered by air pump (not included)
• Compatible With: Most standard aquariums

❓ FAQ

Q: Do I need a separate heater?
A: No — the box uses your main aquarium’s heated water, keeping fry at stable temperatures.

Q: Can I raise shrimp in this box?
A: Absolutely — it’s perfect for baby shrimp and safe isolation.

Q: Does it require an air pump?
A: Yes, a small air pump is needed to circulate water from the main tank.

Q: Is it good for betta fry?
A: Yes — gentle flow and stable temps make it excellent for betta breeders.