Hard Corals
The Foundation of Vibrant Reef Aquariums
Hard corals, scientifically known as Scleractinia, are the architects of the underwater world. These reef-building corals create the intricate structures that form the backbone of coral reefs. Their ability to produce a hard calcium carbonate skeleton allows them to thrive in various marine environments, providing shelter and sustenance to a myriad of marine life.
Diverse Types for Every Reef
Hard corals are primarily categorized into two groups: Large Polyp Stony (LPS) and Small Polyp Stony (SPS) corals. LPS corals, such as hammer and frogspawn corals, are known for their large, fleshy polyps and vibrant colors. SPS corals, including acroporas and montiporas, are characterized by their smaller polyps and intricate branching structures. Each type offers unique aesthetic and ecological benefits, catering to different aquarist preferences and tank setups.
Essential Care Requirements
To thrive, hard corals require stable water conditions, including specific levels of calcium, alkalinity, and magnesium. Proper lighting is crucial, with SPS corals needing intense light and LPS corals preferring moderate lighting. Water flow should be moderate to strong, ensuring the corals receive adequate nutrients and oxygen. Regular maintenance, including water changes and monitoring of water parameters, is essential to maintain a healthy coral environment.
Compatibility and Placement
Hard corals can be sensitive to their surroundings. It's important to place them in areas of the aquarium where they receive appropriate lighting and water flow. Compatibility with other tank inhabitants is also crucial, as some fish and invertebrates may harm or outcompete corals. Researching the specific needs and behaviors of each coral species will help ensure a harmonious and thriving reef ecosystem.

















