Extreme Corals News and Updates

Debunk common coral care myths about feeding, lighting, flow, nutrients, nano tanks, coral spacing and acclimation so your reef corals stay healthier.

Learn how reef tank pH and alkalinity work together, what causes low pH and alkalinity swings, and how to maintain stable water chemistry for healthy coral growth.

Learn why some nitrate in reef tanks can benefit coral health, color, tissue fullness and biological balance, plus safe nitrate ranges and how to manage high or low nitrate.

Learn how corals feed and thrive through photosynthesis, prey capture, and nutrient absorption. Explore the science of coral metabolism and reef tank care

Dive into the vibrant and serene world of coral reef aquariums. Discover the beauty and benefits of bringing a slice of the ocean into your home, from selecting the perfect tank and beginner-friendly corals to maintaining a healthy environment and tackling common challenges

Learn reef tank water parameters including temperature, salinity, pH, alkalinity, calcium, magnesium, nitrate, phosphate, what to test, what to dose and how to keep coral chemistry stable.

Learn how to manage coral aggression in reef tanks, including sweeper tentacles, chemical warfare, coral spacing, pruning, carbon use and compatible coral placement.

Learn how to quarantine corals before adding them to your reef tank, including pest inspection, coral dips, quarantine setup, water parameters and safe acclimation.