Reefara › Tank Size Guide
The 55-gallon is a classic tank size, tall and relatively narrow. For reef tanks, focus on lighting that can penetrate the depth and flow that reaches all…
Reefara is a reef-keeping reference site covering tank setup, equipment selection, water chemistry, livestock care, and troubleshooting. Whether you are planning your first nano reef or upgrading to a 200-gallon mixed reef, our guides, calculators, and species encyclopedia are here to help you make better decisions.
Browse the beginner's path if you are new, the buyer's guides for equipment recommendations, the species encyclopedia for livestock, the reef tools for calculators and planners, and the troubleshooting hub when something needs fixing.
All equipment recommendations are based on tested products and real-world hobbyist feedback. Affiliate relationships are disclosed on every applicable page.