January 2026

Learn how to calibrate a refractometer the right way for reef tanks using 35 ppt solution, with simple…

Fungia plate corals thrive with stable water, moderate light, gentle flow, and open sandbed placement. Learn feeding, placement,…

Learn reef filtration basics, including mechanical, biological, and chemical filtration, plus simple ways to keep your reef tank…

A smart frag rack setup protects new coral frags and improves growth. Learn the best placement, lighting, flow,…

A reef emergency plan helps you act fast during outages, leaks, and water quality crashes. Here is the…

Use this beginner reef tank checklist to choose the right gear, cycle safely, and avoid common mistakes in…

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

Learn reef tank setup basics, from equipment and cycling to lighting, flow, and stocking, so your first saltwater…