About This

• Ready-to-use filter bags, convenient for use with your canister filter, power filter, or fish pond filter.
• They provide large amount of surface area in a small space where lots of bio-filtration can form on the surface. These bio-filtration can help convert and remove toxic waste like ammonia and nitrites in your tank
• These Bio balls also help produce turbulent flow which helps with the gas exchange and reduce toxins.
• Ball size: 1.25 inches in diameter. Mesh bag size: 8"x 5.5"
• Includes: 150 pcs bio balls in 5 bags. 30 pcs per bag. The mesh bag is zipper designed and reusable.