reef

Why calcium matters for coral growth and skeletons, the signs of a calcium deficiency, and how to keep levels steady in your reef tank.

Nitrates are incredibly important to manage in your home aquarium. Learn the information need to control nitrate levels in your saltwater aquarium to prevent algae overgrowth and support coral health. Learn how to test, manage, and maintain optimal nitrate levels for a thriving reef tank.

Why magnesium matters for corals, how it keeps calcium and alkalinity in balance, the signs of a deficiency, and how to hold the right level.

Learn about the fascinating world of coral reproduction in our comprehensive guide. We cover the reproductive strategies of SPS, LPS, and soft corals, including polyp splitting and budding, and get expert tips on creating the perfect environment for your corals to thrive.

Zooxanthellae are microscopic algae that live inside coral tissue — producing up to 90% of a coral's energy through photosynthesis. Understanding this relationship is the key to understanding coral health, bleaching, and color.

Discover every type of coral for reef tanks — from beginner-friendly soft corals to advanced SPS. Species profiles, care requirements, and expert guidance from a marine research scientist.

Learn everything you need to know about LPS (Large Polyp Stony) corals in saltwater aquariums with our comprehensive guide. Discover different types of LPS corals, understand their specific care requirements, such as water quality, lighting, flow, and feeding. Get expert tips on identifying healthy specimens.

Explore the intricate world of SPS corals with our ultimate guide, covering popular species like Acropora, Montipora, and more. Learn about their care, lighting, water flow, and feeding needs to keep your reef tank thriving.

Explore our in-depth guide on PAR (Photosynthetically Active Radiation) and its importance for coral health in reef tanks. Learn how to measure PAR using a PAR meter, interpret the values for different coral types, and maintain optimal light conditions for a thriving marine ecosystem.

What alkalinity is, the ideal range for a reef tank, how it affects pH and coral growth, and how to measure and correct it safely.

Looking to start your journey into SPS corals? Discover the Top 5 Beginner-Friendly SPS Corals that are resilient, stunning, and easier to care for than you think! Learn about their growth rates, care requirements, and why they’re the perfect introduction to the world of Small Polyp Stony corals.