Description
SOBO WP-500H Hanging Filter
The SOBO WP-500H is a reliable and budget-friendly hang-on-back (HOB) filter designed for small to medium aquariums. With efficient multi-stage filtration and a compact design, it keeps your tank water clean and oxygen-rich with minimal maintenance.
🌊 Key Features
✅ Multi-stage filtration – Equipped with a sponge and activated carbon for mechanical and chemical filtration. Can be upgraded with ceramic rings or bio-balls for stronger biological filtration.
✅ Adjustable flow control – Gentle for Betta or shrimp tanks, stronger for community fish tanks.
✅ Rain bar outlet – Distributes water evenly, improves oxygen levels, and prevents strong current buildup.
✅ Compact design – Hangs neatly at the back/side of the aquarium without taking up much space.
✅ Silent operation – Low vibration and noise, suitable for bedroom or living room aquariums.
✅ Easy to clean – Media tray can be accessed quickly for rinsing and replacement.
🐠 Suitable For
Tank Size: ~90L
Fish Types: Guppies, Tetras, Mollies, Platies, Swordtails, Dwarf Gouramis, Shrimp & Snails.
⚠️ Not suitable for large fish like Goldfish, Oscars, or Arowana (unless used as an additional filter).
⚙️ Specifications
Model: SOBO WP-500H
Type: Hang-on-back (HOB) filter
Flow Rate: 350 L/H
Tank Capacity: ~90 L
Power Consumption: 4W (energy-saving)
Filter Media Included: Sponge + Activated Carbon Cartridge
Upgradable Media: Ceramic rings, bio-balls, fine filter wool
🧱 Filter Media Setup (Recommended Order)
Coarse sponge (mechanical)
Fine sponge / Activated carbon cartridge (chemical + basic biological)
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 side/back of the aquarium.
Attach the inlet pipe inside the tank and fix the rain bar outlet.
Fill filter chamber with a little tank water for easier priming.
Plug in and switch ON – water circulation will begin.
Adjust flow to suit your aquarium type.
🧼 Maintenance
Rinse sponge every 2–3 weeks using aquarium water.
Replace activated carbon every 3–4 weeks (if used).
Rinse ceramic rings or bio-balls gently, do not replace all at once.
Clean spray bar & inlet pipe to prevent blockages.
📦 What’s in the Box
SOBO WP-500H filter body
Sponge & activated carbon cartridge
Rain bar / spray bar attachment
Inlet & outlet pipes with fittings
✅ Why Choose SOBO WP-500H?
The SOBO WP-508H Hanging Filter is a cost-effective and efficient filter for small to medium aquariums. It provides strong water circulation, cleaner water, and better oxygenation with very little maintenance.
👉 Ideal for community tanks, shrimp tanks, and planted aquariums.



