- Make sure this fits by entering your model number.
- For ponds and watergardens with biological filtration
- Contains 1 cu. ft. of media
- Approximately 500 sq. ft. of surface area per 1 cu. ft.
- Includes mesh drawstring bag
Bio-blox is an ultra-high surface area biological filter media ideal for water gardens and koi ponds. Bio-blox can be used in virtually any biological filter to provide colonization space for the beneficial bacteria that consume organic waste and harmful ammonia & nitrites. The bacteria are essential for maintaining a healthy and clean environment for fish and water clarity.