Description
Blue Pet BL-400F Internal Liquid Filter
The Blue Pet BL-400F Internal Liquid Filter is a reliable and efficient submersible filter designed for medium-sized aquariums. It provides strong water circulation, effective mechanical filtration, and supports beneficial bacteria for biological filtration, ensuring your fish enjoy clean and healthy water. Compact, quiet, and easy to maintain, it’s a perfect choice for hobbyists seeking dependable aquarium filtration.
🌊 Key Features
✅ Powerful Water Flow – Ensures proper circulation and oxygenation.
✅ Dual Filtration – Mechanical sponge + biological support for bacteria growth.
✅ Quiet Operation – Low-noise motor for a peaceful aquarium.
✅ Compact Design – Fits neatly inside aquariums without taking up much space.
✅ Easy Installation – Suction cups allow quick and secure placement.
🐠 Suitable For
Tank Size: Medium aquariums (up to ~80 litres).
Fish Types: Goldfish, mollies, tetras, barbs, gouramis, cichlids (small/medium), and shrimp.
Aquarium Types: Freshwater, planted, and community tanks.
⚙️ Specifications
Model: Blue Pet BL-400F
Type: Internal Liquid Filter
Power Consumption: 4W
Flow Rate: 400 L/H (approx.)
Voltage: AC 220–240V, 50Hz
Installation: Fully submersible with suction cups
Color: Black / Green (may vary by batch)
🔧 How to Use
Fix the filter inside the tank using suction cups.
Ensure the unit is fully submerged before switching on.
Plug in and allow continuous operation for best results.
Adjust water flow if the outlet allows.
🧼 Maintenance
Clean the sponge/media every 2–3 weeks using aquarium water.
Avoid using tap water or soaps (to preserve beneficial bacteria).
Rinse the impeller housing regularly to prevent clogging.
Replace the sponge/media when it becomes worn out.
📦 What’s in the Box
1 × Blue Pet BL-400F Internal Liquid Filter
1 × User Manual
✅ Why Choose Blue Pet BL-400F?
The Blue Pet BL-400F is an affordable, durable, and efficient filter for medium-sized tanks. It provides strong filtration while maintaining silent operation, making it an excellent choice for beginner and experienced aquarists.
👉 Best for aquarists who want a quiet and effective internal filter for medium aquariums.

