Aquarium calculator
Get a ready-made tank for your volume and experience, or build one yourself: known incompatible neighbors are left out, with minimum volume and water parameters worked out. Up to 8 species per plan.
Species & volume
Tank volume
If you enter a volume, only species whose catalog minimum fits that tank are listed.
Choose a fish…
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Community
Add at least one fish to see recommended water volume and parameters.
The community is stored in the page URL — bookmark it or share the link.
Parameters for this mix
The result is a minimum: more water is always better for fish, and a shoal smaller than the recommended size is best avoided. How the volume is calculated · How we rate compatibility