Product Description
BB TetraTec Bio Balls- - For all EX Filters
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
Bio Balls Application
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.