Reef build planner · free, no account needed

Plan a reef that actually works, before you spend.

Pick the reef you're going for and we'll assemble a complete, compatibility-checked build — sized, priced, and ready to buy. Two questions, then your build. New to a name? Tap the ⓘ on its card.

24 compatibility checks, cited to published sourcesReal gear at real prices — never padded to your budgetFree, no account needed

Colorful zoanthid soft corals in a reef aquarium

Soft coral beginner reefForgiving first reef

Established mixed reef aquarium with fish and coral

Mixed reefA bit of everything

Fleshy LPS corals with flowing tentacles in a reef aquarium

LPS reefColor and movement

Blue tang swimming over rockwork in a fish-forward saltwater aquarium

Fish-onlyFish-first, coral later

Not sureKeep me safe

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Free reef tank planner and saltwater aquarium build checker