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
Tank Size: ~100 litres.
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
Model: HBL-501
Type: Hang-On-Back (HOB) filter
Flow Rate: 400 L/H (adjustable)
Tank Capacity: ~100 L
Power Consumption: 5W (energy-efficient)
Filter Media Included: Sponge + activated carbon cartridge
Upgradable Media: Ceramic rings, bio-balls, fine filter wool
🧱 Filter Media Setup (Recommended Order)
Sponge (mechanical + basic biological)
Activated carbon (chemical filtration, optional)
Ceramic rings / bio-balls (boost biological filtration)
Fine filter wool (optional – for crystal clear water)
👉 For shrimp tanks, add a sponge pre-filter on the intake.
🔧 How to Install
Hang the filter on the aquarium wall.
Attach the inlet pipe and adjust length to water level.
Fill the filter chamber with some tank water to help priming.
Plug in and switch ON – water will start circulating.
Adjust flow rate to suit your fish/tank setup.
🧼 Maintenance
Rinse sponge every 2 weeks in tank water.
Replace activated carbon every 3–4 weeks if used.
Clean bio-media gently when clogged (never replace all at once).
Check inlet pipe for blockages and oil film.
📦 What’s in the Box
SunSun HBL-501 filter body
Sponge + activated carbon cartridge
Inlet pipe & fittings
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.


