Build your tank

Pick a tank, add your fish, and see every incompatibility before you spend a cent. Saved builds stay on this device; Copy link puts the whole build in the URL so you can share it or keep it anywhere.

1. Tank

2. Stocking

no fish yet

3. Hardware

filter, heater, light, substrate and the rest

4. Plants & food

nothing added yet

Live plants

Food

Pressurised CO₂ Root tabs in the substrate

Species browser

Every number here comes from published care sheets, cross-checked where sources disagreed. Prices are estimates and vary a lot by store and season.

Filters

Search Fits a tank of at least Temperament Water level Difficulty Max group needed Temperature must include (°C) pH must include Max price each

Hardware browser

Real, currently-sold products. Prices are Australian street prices converted live to your region — see the note on each row for how firm the figure is.

Search Max price Market Show

Community builds

Ten builds that pass every check in the engine. Load one into the builder and change it from there — starting from something proven is far easier than starting from a blank tank.