- Alkalinity: 8-12 dKH - Calcium: 380-450 ppm - pH: 8.1-8.4 - Temperature: 72-78°F - Difficulty level: Moderate to challenging - Description: Catalaphyllia jardinei, commonly known as the Elegance Coral, is a popular, large-polyp coral species. It features delicate, lacy tentacles and vibrant colors. This coral prefers stable water parameters, moderate to high lighting, and gentle water flow. Regular feeding and careful placement are necessary to maintain its health, making it ideal for experienced aquarists seeking a stunning, intricate display. Note: Elegance Corals are known for their sensitivity to water quality and may require more frequent water changes.