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 — 30L
Biomass vs volume — stocking pressure is too high for this tank size and typical filtration. Review supporting points next, then re-run the check. — **Primary issue:** Biomass vs volume — stocking pressure is too high for this tank size and typical filtration. **Biomass is tight for the litre count** — plan filtration, water changes, and future growth like equipment, not luck. 13 fish across 3 species in 30L. Shared temperature 24–28°C. Stocking: **overstocked** (load index 26 vs ref 11).
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Add three or more species with counts to get the richest compatibility picture.