White intensive bio-filter balls
- High-quality sintered glass balls for crystal-clear water.
- With only 14mm ball diameter, also suitable for small filters.
- Conical tunnel pores allow algae-promoting nitrates to be broken down.
- More intensive breakdown of ammonium and nitrite.
- 1 litre has 1500 m2 effective surface, 8 times as much as conventional ceramic pipes.
Content 650g
Range 200L