JBJ Aquarium – REACTION Hang-On-Back (HOB) Power Filters
Available in 5G and 20G Models
Maintain crystal-clear water and support a thriving aquatic environment with the JBJ REACTION Power Filter Series—a compact, hang-on-back (HOB) filtration system designed for tanks up to 5 gallons and 20 gallons. Whether you're setting up a nano betta tank or a peaceful 20-gallon community aquarium, these filters deliver powerful 3-stage filtration in a small, easy-to-install package.
Key Features:
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3-Stage Filtration: Includes mechanical, chemical, and biological filtration for clear, healthy water.
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Easy Setup & Maintenance: Hang-on-back design with quick cartridge access for stress-free filter changes.
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Quiet Operation: Designed to run smoothly and silently, ideal for bedrooms, offices, and peaceful living spaces.
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Slim Profile: Saves space behind your tank without compromising performance.
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Adjustable Flow Control: Dial in the perfect water movement for your specific tank needs.
Model Options & Specs:
| Feature | REACTION 5G | REACTION 20G |
|---|---|---|
| Max Tank Size | Up to 5 gallons | Up to 20 gallons |
| Flow Rate | 45 GPH (Gallons per Hour) | 118 GPH |
| Filtration Stages | 3-Stage | 3-Stage |
| Cartridge Type | Replaceable filter cartridge | Replaceable filter cartridge |
| Adjustable Flow | Yes | Yes |
| Ideal Use | Nano tanks, Betta setups | Community tanks, Shrimp tanks |
Why We Recommend It:
• Perfect for Beginners & Pros Alike – Simple installation and maintenance.
• Great for Compact Spaces – Powerful filtering in a minimal footprint.
• Helps Reduce Ammonia & Odors – Improves water clarity and health.
• Aquarium Safe Materials – Built for freshwater or saltwater use.
Keep your aquatic life safe and sound with JBJ’s trusted REACTION filter series. Choose the right size for your tank and enjoy cleaner, clearer water with less hassle.
For the safety of our animals, we only ship live fish, crabs, and select other inverts exclusively via UPS 1 Day Air. If your order contains this item, you will only see UPS 1 Day Air as a shipping option during checkout. If other items are in your cart that can ship with 2 day or standard shipping options the only shipping method you can still select is UPS 1 Day Air.
UPS 1 Day is a description of the duration of time a shipment will spend in transit once it has been shipped. This does not guarantee the package will be shipped the same or next day from which the order was placed.
Shipping Schedule for this service
Current Handling Time:
1-9 business days
Here at Aquatic Arts, we consider the welfare of the live animals we are shipping to be of the foremost importance. This process is much more involved than simply creating a shipping label and affixing it to a box. Depending on the order, it takes from 4 to 7 people to complete this process properly. We check the weather conditions here where they fly out of the Indianapolis UPS facility and the destination for each shipment. We start early each morning and go through a multi-step process to have the day's shipments prepared in time for the UPS pickup. The volume of orders in our system also affects the processing time. Therefore our stated handling time is 1-9 business days.
Shipping Rate
Pricing is by size of package needed to fill entire order and distance it must travel. It will be calculated at checkout.
