Transparent Betta Fish Isolation Box – Single & Double Grid

$35.98 $48.69

Transparent Betta Fish Isolation & Breeding Box

Keep your aquatic pets safe, separated, and thriving with this durable Transparent Betta Fish Isolation Box. Whether you need to separate an aggressive fish, protect newborn fry, or create a dedicated spawning space, this compact breeder box is an essential addition to any home or office aquarium setup. Made in Mainland China from clear, food-safe plastic, it gives you a crystal-clear view of your fish at all times.

Available Sizes

S Size – Single Grid: 14 × 11 × 8 cm (5.51 × 4.33 × 3.15 in) — ideal for small fish, shrimp, or fry
L Size – Double Grid: 19.5 × 13.5 × 8.5 cm (7.68 × 5.31 × 3.35 in) — features a removable partition for two separate compartments

Key Features

Versatile Separation: Isolates aggressive, injured, or smaller fish including betta, shrimp, clownfish, and more — also works as a spawning box for livebearers
Crystal-Clear Transparency: 100% transparent plastic lets you monitor your fish's condition and behavior with ease at a glance
Removable Partition (Double Grid): The L-size model features two compartments with one removable divider, making it simple to configure for different needs
Improved Survival Rates: Separating weaker or aggressive fish increases the chances of survival for fry and vulnerable tank inhabitants
Easy to Clean & Maintain: Smooth plastic surfaces wipe down effortlessly — no complex parts or difficult assembly
Sturdy & Durable: Built from quality plastic that holds up well in freshwater aquarium environments
Thoughtful Gift Idea: A practical and delightful gift for any fish enthusiast, hobbyist, or aquarium lover

Specifications

Material: Plastic (Transparent)
Color: Clear / Transparent
S Size (Single Grid): 14 × 11 × 8 cm
L Size (Double Grid): 19.5 × 13.5 × 8.5 cm
Electric: No (non-electric)
Country of Origin: Made in Mainland China

Package Contents

1 × Betta Fish Isolation / Breeding Box

Note: Aquatic plants and other tank accessories shown in images are for illustration purposes only and are not included.

Learn more: U.S. Fish and Wildlife Service

Frequently Asked Questions

Q: What fish are compatible with this betta isolation box?

A: This transparent isolation box is suitable for a wide variety of aquatic species including betta fish, shrimp, clownfish, small fry, and livebearers. It works well in most standard freshwater and saltwater aquariums.

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

A: The Single Grid (S Size) measures 14 × 11 × 8 cm and is a single-compartment box ideal for isolating one fish or a small group of fry. The Double Grid (L Size) measures 19.5 × 13.5 × 8.5 cm and includes a removable partition, allowing you to create two separate compartments within the same box — perfect for keeping two fish separated while still in the same tank environment.

Q: How do I attach the isolation box to my aquarium?

A: The box is designed to hang inside or mount within your fish tank. It floats or can be positioned at the waterline so your fish remain in the tank's water circulation. Please refer to the included setup for your specific configuration.

Q: Is this box easy to clean?

A: Yes! The smooth plastic construction and simple design make this isolation box very easy to rinse and wipe clean. The removable partition on the L-size model also allows for thorough cleaning of each compartment separately.

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.