The Boyu SF-102 Super Biochemical Sponge Filter is best suited as a primary filter for small aquariums up to 20 gallons (approx. 80 liters), or as a secondary/supplemental filtration unit in larger tanks. [
Best Suitable Tank Setups
- Small Fish & Fry Tanks: The gentle, air-driven water flow protects small fish, fry (baby fish), and delicate species like Discus from being sucked into the intake.
- Shrimp Aquariums: Provides an ideal grazing surface for shrimp to feed on micro-organisms without any mechanical risk.
- Breeding & Quarantine Tanks: Excellent for bare-bottom breeding setups or hospital tanks because it fosters crucial biological filtration without creating turbulent currents.
Key Specifications
- Filter Dimensions: The unit measures approximately 7.5 cm to 8.5 cm in diameter and has an overall height of about 18.5 cm to 24 cm depending on the clear exhaust tube extension. [
- Operation: Requires an external aquarium air pump and airline tubing to function (not included).
- Filtration Type: Primarily offers premium biological filtration by cultivating beneficial nitrifying bacteria within its structured bio-foam layers.

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