July 2026

Learn what causes reef fish aggression and how to prevent bullying with better stocking, aquascaping, and fish compatibility…

Learn how to stock a mixed reef tank with compatible corals, fish, and invertebrates while balancing light, flow,…

Reef tank top off replaces evaporated water with fresh RODI to keep salinity stable. Learn manual top off,…

Learn coral lighting basics, including PAR, spectrum, and simple reef light schedules for healthy coral growth and color.

Learn what affects coral coloration and how to improve coral color with better light, nutrients, flow, feeding, and…

Learn when to medicate reef fish, which treatments target common diseases, and why quarantine is the safest way…

Easy corals for small reef tanks that stay hardy and colorful. Get simple picks, placement tips, and stable…

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