TETRA TEC BIO BALLS BB600/700/1200 - £7.98

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

^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