Reef advice that answers the expensive question first.
These are not generic blog posts. Each guide starts with the direct answer, shows the ReefCrafter math, and gives you the next action before a weak build becomes a real purchase.
Is my protein skimmer too small?
Check whether your skimmer rating has enough headroom for your tank volume, reef goal, and bioload before you buy or upgrade.
How much flow does a reef tank need?
Calculate a practical flow target for soft coral, LPS, mixed reef, and SPS systems without confusing return-pump turnover for coral flow.
Is my reef lighting strong enough?
Check reef lighting by coral goal, PAR target, and footprint coverage instead of picking a fixture from tank gallons alone.
Reef tank heater size and safety check
Size reef tank heaters with enough wattage to hold temperature without creating a dangerous stuck-on failure risk.
Check your reef build before buying
A pre-buy reef tank checklist for catching weak gear, missing essentials, and expensive mismatches before checkout.
How this library scales
ReefCrafter expands from problems users already have: fired rules, abandoned planner steps, repeated forum questions, and shared builds that reveal a real decision pattern. More pages only ship when they can carry useful math, a clear next action, and a reviewed source trail.
Spotted a guide that’s wrong, or a pre-buy question we haven’t covered? Email rules@reefcrafter.com. Reviewed before anything ships.