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Zooxanthellae are symbiotic algae that power coral growth through photosynthesis. They are essential to coral color, health, and…

The best coral foods for reef tanks match the coral type, particle size, and nutrient needs. Feed lightly,…

Ideal reef tank parameters depend on stability first. Learn the best ranges for salinity, alkalinity, nutrients, and more.

Cuban Hogfish care is straightforward in larger reef tanks. Learn tank size, diet, compatibility, and reef safety before…

Learn how to dose alkalinity safely, calculate daily demand, and keep reef tank chemistry stable for healthier coral…