Is a mixture of high-absorbent resins and coconut carbon. This is an exclusive product produce by PRODAC INTERNATIONAL with a wide range of functions and powerful organic removal capacity. Coconut carbon helps to remove metabolic waste, coloring agent, medical and organic pollutant. Resins effectively controls ammonia, nitrates and phosphates. AKTIVKOHLE PLUS has been pre-washed to avoid altering the pH level thus maintaining the resins damp and active.