About This

• Bio ball diameter: 1.25 inches. Bag size: 8"x 5.5"
• Provides large amount of surface in small space for beneficial bacteria to colonize. Good for your canister filter or fish pond filtration.
• Helps produce turbulent flow which help with gas exchange and remove toxins.
• Can be used in both fresh and saltwater tanks.
• Package includes: 2 bags. 30 balls each bag.