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Biopro Bio Balls - Suits all Canister Filters (225pk)
Porous structure, plastic biological filter media. These are designed for canister filters and are frequently lost over time. Also great for trickle filters and any large volume biological filters.
- Safe for use in freshwater saltwater aquariums
- Perfect filtration media for wet-dry filters, canister filters and pond filtration systems
- Provides large surface the promotes the growth of beneficial bacteria.
- Promotes gas exchanges that remove harmful gases and waste.