- Alkalinity: 8-11 dKH - Calcium: 380-450 ppm - pH: 8.1-8.4 - Temperature: 74-78°F - Easy to moderate to keep - Description: Montipora corals come in various forms including encrusting, plating, and branching. They have a moderate care level and can thrive in a range of water conditions. Ideal for hobbyists looking to add diversity to their reef tank.