Coral Care & Reef Tips

How to Acclimate and Dip New Corals

A step-by-step guide to acclimating and dipping new corals: temperature matching, pest dips, inspection and safe placement in your reef tank.

Why Is My Coral Closed Up? 8 Common Causes

Coral not opening? Check these 8 common causes, from new-tank stress and lighting to flow, water swings and pests, with a fix for each.

Zoanthid and Palythoa Care Guide

How to keep zoanthids and palythoa thriving: lighting, flow, placement, feeding, pests, palytoxin safety and growing a zoa garden.

Best Beginner Corals for a New Reef Tank

The easiest corals for a new reef tank: mushrooms, zoanthids, leathers and hammers, plus the tank conditions they need to thrive.