Description
BIOLOGICAL SPONGE EACH
Features:
- Improve the Water Quality Suitable for seawater, fresh water and water tank.
- Reduce the Fish Mortality.
- Durable and Reuse.
- Clean once a month, no blocking, no deformation, can be reused after cleaning.
- The size can be cut freely as you need.
- Decrease the frequency of fish tank water changing.
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