Turn the dry HelloReef aquarium into a measured, safely powered saltwater system with appropriate source water, stable salinity and temperature, useful circulation, and a consistent lighting plan.
Learn what cycling accomplishes, prove biological readiness with test results instead of a countdown, and build the top-off, testing, seawater, and observation habits a small aquarium needs.
Learn when a new aquarium is ready for its first cleanup animals, how to select by job instead of a generic gallon package, and how to plan sourcing, arrival, acclimation, and feeding.
Use sustained water-quality trends, lighting and flow checks, guarded pumps, livestock health, maintenance consistency, and responsible sourcing to decide whether to add a bubble-tip anemone now or wait.
HelloReef 15-gallon setup path Your First Saltwater Aquarium, Week by Week Once you get your HelloReef kit, you’re ready to get started. While this free guide is not a replacement…
More ways to build your first reefExplore All Saltwater Tanks & BuildsAll of my tank recommendations and build options, together in one place. Compare the guides below, or browse the…
Skip to the tank decision guide Start here Choose the Right First Saltwater Aquarium for Your Life You don’t need to know about every fish, coral, or piece of equipment…
Practical tools for better aquarium decisions Aquarium Calculators Plan your aquarium with practical, beginner-friendly tools. Estimate water volume, sand, reef salt mix, and electricity costs before you buy, dose, or…