Alkalinity: 8-11 dKH - Calcium: 380-450 ppm - pH: 8.1-8.4 - Temperature: 74-78°F - Easy to keep - Description: Bubble corals, also known as Plerogyra, feature bubble-like vesicles that inflate and deflate. They thrive in stable conditions, low to moderate lighting, and gentle flow. Ideal for beginner reef enthusiasts seeking unique coral shapes.