Description
Blue Pet BL-420F Internal Liquid Filter
The Blue Pet BL-420F Internal Liquid Filter is a powerful and efficient aquarium filter designed for medium-sized tanks. With its strong water flow and dual-stage filtration, it effectively removes debris, supports beneficial bacteria, and ensures crystal-clear water. Its compact build, energy-efficient motor, and quiet performance make it a great choice for aquarists who want reliable daily filtration.
🌊 Key Features
✅ Dual Filtration System – Provides mechanical (debris removal) and biological (bacteria growth) filtration.
✅ High Flow Rate – Ensures proper circulation and aeration in medium aquariums.
✅ Fully Submersible Design – Easy to install with secure suction cups.
✅ Adjustable Water Outlet – Direct the water flow where you need it most.
✅ Silent & Durable – Low-noise motor with long-lasting performance.
🐠 Suitable For
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Tank Size: Medium aquariums (up to 120 litres approx.)
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Fish Types: Goldfish, mollies, gouramis, tetras, angelfish, cichlids, and other community fish.
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Aquarium Types: Freshwater, tropical, planted, and shrimp tanks.
⚙️ Specifications
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Model: Blue Pet BL-420F
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Type: Internal Liquid Filter
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Power Consumption: 6W (approx.)
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Flow Rate: 500 L/H (approx.)
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Voltage: AC 220–240V, 50Hz
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Installation: Fully submersible with suction cups
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Color: Black / Green (may vary by batch)
🔧 How to Use
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Attach the filter inside the aquarium using the provided suction cups.
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Ensure the unit is fully submerged before switching on.
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Connect to power and adjust the flow as needed.
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Keep running continuously for best results.
🧼 Maintenance
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Rinse filter sponge/media in aquarium water (not tap water) every 2–3 weeks.
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Avoid chemicals/detergents to preserve beneficial bacteria.
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Clean impeller and housing occasionally to maintain smooth operation.
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Replace sponge/media when worn or heavily clogged.
📦 What’s in the Box
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1 × Blue Pet BL-420F Internal Liquid Filter
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1 × User Manual
✅ Why Choose Blue Pet BL-420F?
The Blue Pet BL-420F is a reliable, efficient, and easy-to-maintain filter for medium-sized aquariums. It combines strong filtration power with quiet operation, making it perfect for everyday aquarium care.
👉 Ideal for aquarists who want stronger water circulation and clear water in mid-sized tanks.



