EasyPro Bio-Blox Filter Media

Maximize biological filtration with Bio-Blox Filter Media, a cost-effective solution for large-volume applications. Offering approximately 525 square feet of surface area per cubic foot, it provides exceptional space for beneficial bacteria to thrive, supporting cleaner, healthier water in ponds and filtration systems. Made from durable, long-lasting material, Bio-Blox can be washed and reused repeatedly for reliable performance over time. Ideal for use in large filters and waterfall units, it can be paired with a mesh media bag (sold separately) for easier handling and maintenance. Available in 1 cu. ft. and 8 cu. ft. boxes to suit a variety of filtration needs.