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Green star polyps are easy, fast-growing corals that love moderate light and flow. Learn how to keep them…

Scroll corals are hardy LPS corals that prefer moderate light, indirect flow, and stable water chemistry. Proper placement…

Learn reef tank pest control basics, from quarantine and coral dips to identifying aiptasia, flatworms, algae, and other…

Kaudern’s cardinal is a peaceful, reef-safe fish with simple care needs. Learn tank setup, feeding, compatibility, and breeding…

Blue hippo tang care requires a large tank, daily algae feeding, and strict quarantine. Learn how to keep…

Sinularia leathers are hardy soft corals that thrive with stable salinity, moderate light, and good flow. Learn placement,…

Learn how to keep reef tank salinity stable, measure it correctly, and prevent swings that stress corals, fish,…

Intermediate corals help growing reef tanks gain color, movement, and structure. Learn the best species, placement tips, and…