- Alkalinity: 8-11 dKH - Calcium: 380-450 ppm - pH: 8.1-8.4 - Temperature: 74-78°F - Moderate to Easy to keep - Description: Favia corals are LPS corals with distinct patterns and colorful polyps. They do well in stable water parameters, moderate lighting, and low to moderate flow. Suitable for beginner to intermediate hobbyists looking for an attractive and relatively easy-to-care-for coral.