July 2026

When To Upgrade Reef Tank Equipment Knowing when to upgrade reef tank equipment is a big part of…

Live rock offers faster maturity and biodiversity. Dry rock is cheaper, cleaner, and easier to control in a…

Palytoxin in the marine aquarium is a real risk during coral handling. Learn safe practices, warning signs, and…

Learn how calcium, alkalinity, and magnesium work together in a reef tank, plus safe target ranges, testing tips,…

Purple firefish care made simple. Learn ideal tank size, parameters, feeding, and compatibility for Nemateleotris decora.

GFO (granular ferric oxide) is a reef-safe media that removes phosphate from saltwater. Learn how it works, how…

Our emergency hospital kit checklist helps you act fast. Stock the right gear, meds, and tests to stabilize…

Mustard guttatus is a large, active tang that needs a 180-gallon tank, strong flow, and daily algae feeding…