Description
SOBO WP-618H Hanging Filter
The SOBO WP-618H Hanging Filter is an efficient and budget-friendly external filter designed for aquariums ~75 litres. Compact, easy to use, and quiet in operation, it’s an excellent choice for beginner and intermediate fishkeepers looking for simple yet effective filtration.
🌊 Key Features
✅ 3-stage filtration – Mechanical sponge + optional activated carbon + space for bio-media for clear and healthy water.
✅ Adjustable flow rate – Gentle water flow for small fish, fry, and shrimp tanks.
✅ Waterfall outlet design – Provides aeration and improves oxygen levels in the aquarium.
✅ Compact & silent – Slim profile, easy to hang on the side or back of the tank.
✅ Easy to maintain – Quick sponge rinsing and hassle-free media replacement.
✅ Energy-efficient – Consumes low power while delivering steady filtration.
🐠 Suitable For
Tank Size: ~ 75 litres.
Fish Types: Guppies, Mollies, Tetras, Swordtails, Bettas, Shrimp, Snails, Dwarf Cichlids, and Planted Tank setups.
⚠️ Not recommended for very large or messy fish like Goldfish, Oscars, Flowerhorns, or Arowana (unless used as a secondary filter).
⚙️ Specifications
Model: WP-618H
Type: Hang-on back (HOB) filter
Flow Rate: 280 L/H
Tank Capacity: ~75L
Power Consumption: 5W (energy-saving)
Filter Media Included: Sponge (mechanical + basic biological)
Upgradable Media: Activated carbon, ceramic rings, bio-balls, filter wool
🧱 Filter Media Setup (Recommended Order)
Coarse sponge (mechanical filtration – traps debris)
Fine sponge / filter wool (basic biological + water polishing)
Activated carbon (optional – removes odor & discoloration)
Ceramic rings / bio-balls (optional – enhances biological filtration)
👉 For shrimp or fry tanks, add a sponge pre-filter on the intake pipe.
🔧 How to Install
Hang the filter on the side/back of the aquarium.
Attach the inlet pipe and adjust length if required.
Fill the filter chamber with some tank water (helps priming).
Plug in and turn ON – water will begin circulating.
Adjust flow to suit your fish type.
🧼 Maintenance
Rinse sponge every 2–3 weeks in old tank water (not tap water).
Replace activated carbon monthly (if used).
Rinse ceramic rings gently when clogged – do not replace all at once.
Clean impeller and outlet to maintain smooth water flow.
📦 What’s in the Box
SOBO WP-618H filter body
Pre-installed sponge filter media
Inlet pipe with strainer
Waterfall outlet
✅ Why Choose SOBO WP-618H?
Affordable, compact, and easy to maintain, the SOBO WP-618H Hanging Filter is perfect for small to medium aquariums. Its quiet operation, effective filtration, and simple design make it ideal for beginners and hobbyists alike.
👉 Best for community aquariums, shrimp tanks, and planted setups ~ 75 litres




