Stocking planner
Aquarium Tank Builder
Build a multi-species stocking list and get an instant compatibility and capacity check — the same conservative engine that powers every pair check, applied to your whole tank.
Stocking snapshot — 100L
Tank volume is below published minima for at least one species — shop size is not adult swimming space. Review supporting points next, then re-run the check. — **Primary issue:** Tank volume is below published minima for at least one species — shop size is not adult swimming space. **Hard conflicts on file** (water, pairing, size, or bettas) — resolve red items before fine-tuning decor or food. 20 fish across 3 species in 100L. Shared temperature 24–26°C. Stocking: **overstocked** (load index 180 vs ref 36). 2 high-severity pairing flag(s).
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Add three or more species with counts to get the richest compatibility picture.