Description
SunSun HBL-501 Hang-On Filter
The SunSun HBL-501 is a compact hang-on-back (HOB) filter designed for nano and small aquariums. It offers quiet performance, easy installation, and effective 3-stage filtration, making it ideal for beginners and planted/shrimp setups.
🌊 Key Features
✅ 3-stage filtration – Includes sponge (mechanical), activated carbon (chemical), and bio-media (biological). Can be upgraded with ceramic rings or bio-balls.
✅ Slim & compact design – Space-saving HOB filter that doesn’t clutter the aquarium.
✅ Adjustable flow rate – Gentle enough for shrimp, Betta, and nano fish tanks.
✅ Surface skimmer option – Removes oil film and keeps the water surface clear.
✅ Quiet operation – Low vibration motor for silent filtration.
✅ Easy to clean – Filter media cartridges can be rinsed and reused.
🐠 Suitable For
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Tank Size: ~100 litres.
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Fish Types: Bettas, Shrimp, Guppies, Tetras, Small Rasboras, Endlers, Killifish, Snails.
⚠️ Not suitable for large, messy fish like Goldfish, Oscars, or Arowana (unless used as a supplementary filter).
⚙️ Specifications
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Model: HBL-501
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Type: Hang-On-Back (HOB) filter
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Flow Rate: 400 L/H (adjustable)
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Tank Capacity: ~100 L
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Power Consumption: 5W (energy-efficient)
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Filter Media Included: Sponge + activated carbon cartridge
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Upgradable Media: Ceramic rings, bio-balls, fine filter wool
🧱 Filter Media Setup (Recommended Order)
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Sponge (mechanical + basic biological)
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Activated carbon (chemical filtration, optional)
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Ceramic rings / bio-balls (boost biological filtration)
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Fine filter wool (optional – for crystal clear water)
👉 For shrimp tanks, add a sponge pre-filter on the intake.
🔧 How to Install
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Hang the filter on the aquarium wall.
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Attach the inlet pipe and adjust length to water level.
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Fill the filter chamber with some tank water to help priming.
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Plug in and switch ON – water will start circulating.
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Adjust flow rate to suit your fish/tank setup.
🧼 Maintenance
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Rinse sponge every 2 weeks in tank water.
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Replace activated carbon every 3–4 weeks if used.
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Clean bio-media gently when clogged (never replace all at once).
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Check inlet pipe for blockages and oil film.
📦 What’s in the Box
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SunSun HBL-501 filter body
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Sponge + activated carbon cartridge
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Inlet pipe & fittings
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Flow control knob
✅ Why Choose SunSun HBL-501?
The SunSun HBL-501 is an affordable and reliable filter for nano aquariums. Its compact size, quiet operation, and efficient multi-stage filtration make it perfect for shrimp tanks, Betta tanks, and small community aquariums.
👉 Best for nano setups, planted tanks, and shrimp aquariums in the ~100L range.


