Introduction
The GloFish Betta Trilogy Aquarium is designed to create a vibrant aquatic environment, specifically highlighting the unique colors of GloFish Betta fish. This 3-gallon plastic aquarium features three individual 1-gallon compartments, separated by opaque dividers, making it ideal for housing male Betta fish individually. It includes an integrated LED lighting system with multiple modes and a three-stage filtration system to maintain a clean and healthy habitat.
This manual provides comprehensive instructions for setting up, operating, and maintaining your GloFish Betta Trilogy Aquarium to ensure optimal performance and the well-being of your aquatic pets.
Components
Your GloFish Betta Trilogy Aquarium package includes the following components:
- Plastic Aquarium with Hood
- Integrated LED Light with Three-Way Control Switch
- Integrated Three-Stage Filtration System with Pump
- Medium Tetra® Whisper® Bio-Bag® Cartridge

Figure 1: Included Components of the GloFish Betta Trilogy Aquarium.

Figure 2: Detailed view of the integrated filtration and lighting system.

Figure 3: Top-down view of the empty aquarium with dividers.
Setup Instructions
- Unpack and Inspect: Carefully remove all components from the packaging. Inspect for any damage. Do not discard packaging until the aquarium is fully assembled and operational.
- Rinse Components: Rinse the aquarium, hood, and filter components thoroughly with clean, cool water. Do not use soap or detergents, as residues can be harmful to fish.
- Install Filter Cartridge: Insert the Medium Tetra® Whisper® Bio-Bag® Cartridge into the designated slot within the integrated filtration system. Ensure it is seated correctly.
- Place Aquarium: Select a flat, sturdy surface for your aquarium that can support its full weight when filled (approximately 30 lbs). Avoid direct sunlight or heat sources.
- Add Substrate and Decor (Optional): If desired, add a thin layer of aquarium gravel (recommended 1 lb per gallon) and any GloFish-compatible decorations or plants to each compartment. Rinse gravel and decor before adding.
- Fill with Water: Carefully fill the aquarium with dechlorinated water up to the recommended fill line. Use a water conditioner to remove chlorine and chloramines from tap water.
- Install Hood and Light: Place the hood securely on top of the aquarium. Connect the LED light and pump power cords to a power outlet. Ensure a drip loop is formed with the cords to prevent water from reaching the outlet.
- Start Filtration: Plug in the filter pump. Water should begin circulating through the filtration system.
- Cycle the Aquarium: Before adding fish, it is crucial to cycle the aquarium to establish beneficial bacteria. This process can take several weeks. Consult a reliable guide on aquarium cycling for detailed instructions.
- Add Fish: Once the aquarium is properly cycled and water parameters are stable, you may introduce your GloFish Betta fish. Introduce one male Betta per compartment.

Figure 4: The aquarium is designed with opaque dividers for individual male Betta fish.
Operating Instructions
LED Lighting System
The integrated LED lighting system features a three-way control switch, allowing you to select between different lighting modes:
- Off: Turns off all LED lights.
- White Light Mode: Activates white LED lights, providing vivid illumination that enhances the natural colors of your fish and decor.
- Moonlight Mode: Activates blue LED lights, which cause GloFish decor and fish to fluoresce brilliantly, creating a unique underwater glow effect.
To switch between modes, simply toggle the control switch located on the hood of the aquarium.

Figure 5: White Light Mode vs. Moonlight Mode.
Filtration System
The integrated three-stage filtration system provides mechanical, chemical, and biological filtration to keep your aquarium water clean and healthy. Ensure the pump is always submerged in water when operating.
Maintenance
Regular maintenance is essential for a healthy aquarium environment.
- Water Changes: Perform partial water changes (25-50%) weekly or bi-weekly, depending on fish load and water quality. Always use dechlorinated water that matches the aquarium's temperature.
- Filter Cartridge Replacement: Replace the Tetra® Whisper® Bio-Bag® Cartridge approximately every 2-4 weeks, or as needed, to maintain effective chemical and mechanical filtration. Do not rinse the biological media (if separate) as it contains beneficial bacteria.
- Aquarium Cleaning: Gently clean the interior and exterior surfaces of the aquarium as needed to remove algae and water spots. Use an aquarium-safe cleaning pad for the interior. Avoid abrasive cleaners.
- Pump Maintenance: Periodically check the filter pump for any debris or blockages that may reduce water flow. Unplug the pump before cleaning.
- Water Parameter Testing: Regularly test water parameters such as ammonia, nitrite, nitrate, and pH to ensure they are within safe ranges for your fish.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No water flow from filter | Pump unplugged, clogged intake, or damaged impeller. | Ensure pump is plugged in. Check intake for debris and clean if necessary. Inspect impeller for damage and replace if needed. |
| LED lights not working | Light switch in "Off" position, power cord unplugged, or LED failure. | Toggle the light switch. Check power connection. If still not working, contact customer support. |
| Cloudy water | New tank syndrome (bacterial bloom), overfeeding, or dirty filter cartridge. | Continue cycling if new. Reduce feeding. Replace filter cartridge. Perform a partial water change. |
| Unpleasant odor | Accumulation of waste, decaying food, or dirty filter. | Perform a water change and gravel vacuum. Clean or replace filter cartridge. Reduce feeding. |
Specifications
| Feature | Detail |
|---|---|
| Model Name | GloFish Betta Trilogy Aquarium |
| Model Number | AQ-78408E |
| Tank Volume | 3 Gallons (three 1-gallon compartments) |
| Dimensions (L x W x H) | 19.2 x 11.3 x 10.4 inches (approximate package dimensions) |
| Item Weight | 6.14 pounds |
| Material | Plastic |
| Lighting | Integrated LED (White Light Mode, Moonlight Mode) |
| Filtration | Integrated Three-Stage Filtration with Pump |
| Included Filter Cartridge | Medium Tetra® Whisper® Bio-Bag® Cartridge |
| UPC | 046798684084 |
Warranty and Support
Warranty: The manufacturer provides no explicit warranty for this product as per available information. Please retain your purchase receipt for any potential claims or inquiries.
Customer Support: For technical assistance, replacement parts, or further information regarding your GloFish Betta Trilogy Aquarium, please contact GloFish customer service. Refer to the product packaging or the official GloFish website for the most current contact details.
Online Resources: Visit the official GloFish website for additional product information, tips on fish care, and compatible accessories. You can also find helpful resources on general aquarium maintenance and fish health.





