Description
XINYOU XY-2831 Sponge Filter
The XINYOU XY-2831 Sponge Filter is a reliable and efficient air-driven filter designed for small to medium aquariums. It offers both mechanical and biological filtration while also providing gentle aeration, making it an excellent choice for shrimp tanks, breeding tanks, and community aquariums.
🌊 Key Features
✅ Dual sponge design – Provides large surface area for beneficial bacteria growth and efficient filtration.
✅ Air-driven system – Requires an air pump (not included) to create water flow and oxygenation.
✅ Safe for fry & shrimp – Gentle filtration prevents small fish or shrimp from being sucked in.
✅ Mechanical + Biological filtration – Sponges trap debris while allowing good bacterial colonies to thrive.
✅ Low-cost & energy-efficient – Runs with minimal power via air pump; very economical.
✅ Silent operation – Quiet performance, ideal for bedrooms or offices.
✅ Easy maintenance – Sponges are washable and reusable.
🐠 Suitable For
Tank Size: 40–150 litres (best for 1.5–3 ft aquariums).
Fish Types: Guppies, Tetras, Bettas, Mollies, Shrimp, Snails, Discus fry, Goldfish fry, Dwarf Cichlids, and small community fish.
⚠️ Not suitable as the only filter for large or messy fish like Oscars, Arowana, or adult Goldfish (can be used as a secondary filter in such tanks).
⚙️ Specifications
Model: XY-2831
Type: Air-driven sponge filter
Flow Rate: Depends on air pump (recommended 2–4 L/min)
Tank Capacity: Up to ~150L
Power Consumption: Air pump dependent (filter itself uses no electricity)
Filter Media Included: Dual sponge foams (mechanical + biological)
Upgradable Media: Can be combined with ceramic rings, bio-balls, or filter wool in the tank
Size: ~12 × 6 × 14 cm (approx.)
Weight: ~0.25 kg
🧱 Filter Media Setup (Built-In)
Dual sponge foams (mechanical + biological filtration)
👉 Additional ceramic rings or bio-balls can be placed in the tank for extra filtration if needed.
🔧 How to Install
Connect airline tubing from an air pump to the filter’s air inlet.
Place the sponge filter inside the aquarium (fully submerged).
Position it near the tank corner for better circulation.
Turn ON the air pump – bubbles will rise, creating water flow through the sponges.
🧼 Maintenance
Rinse sponges every 2–3 weeks in aquarium water (never tap water).
Replace sponge foams if worn out or losing shape.
Check airline tubing and air stone for blockages.
📦 What’s in the Box
XINYOU XY-2831 Sponge Filter body
Dual sponge foams (pre-installed)
Airlift tube
✅ Why Choose XINYOU XY-2831?
The XINYOU XY-2831 Sponge Filter is a safe, budget-friendly, and efficient solution for biological and mechanical filtration. Perfect for delicate species like shrimp and fry, it also helps maintain stable water quality in community tanks.
👉 Best for shrimp tanks, fry tanks, and planted aquariums in the 40–150L range.







