When used effectively bio balls can provide an amazing source of biological filtration, great housing for the nitrifying bacteria crucial for the nitrogen Cycle.

Features:
– Open structure to create more surface area
– Assists in converting toxic ammonia into nitrates
– Perfect for freshwater or saltwater

Specifications:
– Bacteria friendly polypropylene 40mm
– Large surface area

What’s in the box
160 Bio Balls 2kg