Tropic Marin Reef Actif Biological Coral Supplement

Tropic Marin Reef Actif is a biological supplement containing natural marine compounds — bacteria, enzymes, and organic substances — that support a complete and diverse reef ecosystem. It promotes the microbial community diversity that healthy reefs depend on for nutrient cycling, coral resilience, and overall system stability. The biological effects are cumulative over weeks of consistent use rather than immediate — this is a long-term system health product, best added to a regular maintenance routine alongside your water change and dosing schedule rather than used as a spot treatment.