- Free media bag for easy handling
- BIO-Balls do not require replacement unless damaged or destroyed
- bio-sponge inside provide more surface area for growth of beneficial Bio-Spira bacteria
- In the event of excessive buildup, you may gently rinse with water from an established aquarium, if desired
- Diameter of bio ball: 26mm (1inch), Package includes: 4x 50pcs bioball
- Free media bag for easy handling
- BIO-Balls do not require replacement unless damaged or destroyed
- bio-sponge inside provide more surface area for growth of beneficial Bio-Spira bacteria
- In the event of excessive buildup, you may gently rinse with water from an established aquarium, if desired
- Diameter of bio ball: 26mm (1inch), Package includes: 4x 50pcs bioball