Extreme Corals News and Updates

Learn how we set up a coral quarantine tank before adding new corals to a reef aquarium. This guide covers equipment, lighting, flow, dipping, observation, pests, and safer coral introduction.

Learn reef tank water testing for healthy live corals, including salinity, pH, alkalinity, calcium, magnesium, nitrate, phosphate, ammonia, nitrite and coral-safe stability tips.

Learn how the coral microbiome supports coral health, color, growth and disease resistance, including zooxanthellae, beneficial bacteria, nutrients and reef tank stability.

Learn how to protect reef corals from common pests and predators, including Acropora-eating flatworms, Montipora nudibranchs, sundial snails, Aiptasia, hitchhiker crabs, and other reef tank threats.

A coral frag tank is a specialized aquarium designed for growing and propagating coral fragments, promoting conservation and sustainability. These tanks offer a controlled environment, making them ideal for expanding coral collections and supporting reef ecosystems. Proper setup and maintenance, including appropriate lighting and water quality, are essential for successful coral growth.

Choosing the right coral for your reef tank can be overwhelming. This guide breaks down the best corals for different setups—whether you have a nano tank, mixed reef, or SPS/LPS-dominant system. Find the perfect coral and start building your dream reef today.

Learn saltwater aquarium maintenance for reef tanks, including daily, weekly and monthly care, water changes, testing, salinity, alkalinity, nitrate, phosphate, lighting, flow and coral health.

Learn how to build a thriving reef tank with proper setup, filtration, lighting, water parameters, beginner corals, reef-safe fish, maintenance, and sustainable reefkeeping tips.