Transparent Betta Fish Isolation Box – Single & Double Grid

Transparent Betta Fish Isolation & Breeding Box

Keep your aquarium inhabitants safe and thriving with this durable, crystal-clear plastic isolation box. Designed for betta fish, shrimp, clownfish, and other small aquatic species, this breeder box is the perfect solution for separating aggressive, newly born, or vulnerable fish — boosting their chances of survival right inside your existing tank.

Available Sizes

• S Size – Single Grid: 14 × 11 × 8 cm (5.51 × 4.33 × 3.15 in)
• L Size – Double Grid: 19.5 × 13.5 × 8.5 cm (7.68 × 5.31 × 3.35 in)

Key Features

• Multi-Purpose Isolation: Separates aggressive, injured, or small fish and shrimp from the main tank. Also functions as a spawning box for livebearers.
• Crystal-Clear Transparency: Fully transparent design lets you observe the condition and behaviour of your fish at a glance — no guesswork needed.
• Removable Partition: The L size (Double Grid) features two compartments with one removable divider, giving you flexible configuration options.
• Easy to Use & Clean: Smooth plastic surfaces wipe clean in seconds, keeping your aquarium hygienic and healthy.
• Sturdy & Durable: Made from high-quality, non-toxic plastic built to withstand daily submersion.
• Thoughtful Gift Idea: A practical and charming gift for any fish enthusiast — perfect for beginners and experienced hobbyists alike.

Specifications

Package Includes

• 1 × Betta Fish Isolation/Breeding Box

Note: Water plants and decorations shown in images are not included.

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Learn more: U.S. Fish and Wildlife Service

Frequently Asked Questions

Q: What fish and aquatic animals is this isolation box suitable for?

A: The betta fish isolation box is suitable for a variety of aquatic species including betta fish, shrimp, clownfish, fry (baby fish), and other small or vulnerable tank inhabitants. It is especially useful for separating aggressive fish or protecting newborns in a community tank.

Q: What is the difference between the Single Grid (S) and Double Grid (L) sizes?

A: The Single Grid (S Size, 14×11×8 cm) is a compact, one-compartment box ideal for isolating one fish or a small batch of shrimp. The Double Grid (L Size, 19.5×13.5×8.5 cm) features two compartments separated by a removable partition, allowing you to house two different fish or groups simultaneously — great for breeding or staged introductions.

Q: How do I attach or place the isolation box in my fish tank?

A: The box is designed to float or sit within your existing aquarium, allowing natural water circulation to flow through. No additional tools or equipment are required — simply place it in your tank and it is ready to use.

Q: Is the plastic safe for fish and shrimp?

A: Yes. The box is made from high-quality, non-toxic transparent plastic that is safe for use with all listed aquatic species. It contains no high-concern chemicals and is built for long-term submersion in freshwater aquarium environments.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.