Overview
The RS BIO-Sponge RS‑430K is a simple yet effective sponge filter powered by any airline pump. It offers both mechanical and biological filtration, making it perfect for aquariums of various sizes—from use as a primary filter in smaller tanks to a pre-filter or bio-booster in larger setups.
Key Features
- Dual filtration: Sponge media captures debris while promoting beneficial bacteria growth, enhancing water clarity and ecosystem health .
- Air pump operation: Connects to any standard air pump via flexible airline—no electricity needed, low-energy operation .
- Versatile deployment: Functions as a primary filter in small tanks, secondary support in larger aquaria, or as a pre-filter on canisters and powerheads .
- Compact & efficient: Approx. 11.5 cm diameter × 14.5 cm height, lightweight, and affordable.
- Reusable & easy-clean: Rinseable sponge makes maintenance simple—clean in aquarium water to preserve biological culture .
Specifications
| Model | RS‑430K |
|---|---|
| Dimensions | Ø 11.5 cm × H 14.5 cm |
| Media | Biochemical sponge (mechanical + biological) |
Why Choose RS‑430K?
- Biological boost: Provides additional bacterial colonization for nurseries, breeding tanks, or heavily stocked systems.
- Energy-saving: Runs silently with minimal power via an air pump.
- Adaptable: Easily added to existing filtration or used independently for low-flow setups.
- Budget-wise: Low-cost filter with reusable sponge media keeps long-term expenses down.
Installation & Maintenance
- Connect to an air pump via airline tubing and one-way valve.
- Position inside tank so sponge is submerged, bubble outlet just below surface.
- Monthly rinse sponge in tank water—avoid tap water to retain bacterial colonies.
- Replace only when fully degraded to maintain biofilter capacity.
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