May 2026

The best reef tank size for beginners is usually 40 to 75 gallons. This range offers better stability,…

Learn how a protein skimmer works, how to size one, and how to tune it for clean, stable…

Learn how to lower phosphate in a reef tank safely with proven methods, target ranges, and simple fixes…

Learn how to identify common reef tank pests, spot early warning signs, and choose safe treatments before corals…

Learn which beginner corals are easiest to keep, plus simple care tips for lighting, flow, feeding, placement, and…

The best salt mix for reef tank health matches your target parameters and livestock. Consistency matters more than…

Water flow in a reef tank keeps corals healthy, waste suspended, and oxygen levels stable. Learn how much…

Use this fish quarantine checklist to prevent disease, protect your reef tank, and help new marine fish settle…