Tetratec BB BioBalls
Filter media for TetraTec EX range and other external filters. Highly active biological filtration.
- Large surface area (62cm2 per ball) for growth of beneficial bacteria
- Excellent water flow through balls prevents clogging and 'dead' areas, for maximum biological efficiency
- Easy to clean with aquarium water
Rinse in lukewarm water before use. To clean, rinse in a bowl of aquarium water. Never wash under the tap.
Suitable for all external filters.
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