Dangerous toxic substances such as ammonia and nitrite are constantly formed in aquarium water.

Sera Bio Nitrivec product, a product of Sera's biological technology, contains millions of purification bacteria, through which a stable biological balance is quickly and reliably formed, leading to the continuous breakdown of toxic substances.

The added volcanic mineral rocks remove pollutants, effectively bind turbidity, and provide a suitable stabilization area for purification bacteria. For healthy, clear, and biologically active water.

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

Sufficient for