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QANVEE QS 200A Aquarium Bio Spong Filter With Media Storage
- Using an environmental high-density sponge filter
- can absorb dirt, quickly resolve fish feces, and eliminate smell in the water.
- achieve oxygenation and bio-filtration double effect, keep the water clean.
- Aerobic bacteria colonize the sponge providing a bacterial substance
- This filter facilitates the nitrogen cycle.
- They are useful as a breeding filter or as a secondary filter.
- Can be used as a pre-filtration unit by fitting to an external or a top filter.