Bacti-Twist provides an economical alternative to bioballs and other forms of biological filtration media. Made from PVC, Bacti-Twist provides an incredible amount of surface area. Able to colonize and breed beneficial bacteria to keep your koi pond or water garden ecosystem healthy and thriving! Is light-weight and can easily rinse and reuse.
Available Sizes:
1 Cubic Ft.
2 Cubic Ft.