Frags - Alkalinity: 7-9 dKH - Calcium: 380-420 ppm - pH: 8.0-8.3 - Temperature: 75-80°F - Easy to Moderate to keep - Description: Zoanthids, also known as button polyps, are colorful and diverse soft corals that form colonies with unique patterns. They are generally hardy and adaptable to a range of aquarium conditions, making them suitable for both beginner and experienced reef keepers.