Specially formulated for use in sophisticated reef and marine aquariums. Specially for desalted water. Enriched with extra calcium, strontium, low molecular organic acids and other important trace elements. No nitrate, no phosphate, no ammonium and other toxic components. Adequate alkalinity and stable ph value for closed aquarium systems. The artificial seawater is colorless, no foam, no precipitation, not muddy. An ideal medium for breeding coral, sea anemone, jelly-fish and other reef lives. -