Toxic and hazardous substances such as ammonia and nitrite are constantly formed in aquarium water.

Sera Bio Nitrivec product, a product from Sera's biological technology, contains millions of purification bacteria, which, with their support, a stable biological balance is quickly and reliably formed, so that the continuously present toxic substances are broken down.

The added volcanic mineral rock removes pollutants, effectively binds turbidity, and provides a suitable area for the stabilization of purification bacteria. For healthy, clear, and biologically active water.

Allows the addition of fish after 24 hours when combined with Sera Aquatan!