RESUN Bio Balls are an environmentally made plastic that can be used in both fresh water and marine tanks for biological filtration. They are designed with a large number of flexible spikes to maximize surface area for the colonization of aerobic bacteria. Water can pass through them easily, allowing a constant flow back into the aquarium. They are light weight and can be used in any filter. 50 Bio balls is approximately 0.5 litres.
RESUN Bio Balls 26mm;
- Quantity 50 Balls
- 26mm Diameter
- 50 Balls Is Approximately 0.5 Litres
- Can be used in any Canister or Sump Filter
- For Fresh & Salt Water