Aquarium planning tools

Calculate before you dose, stock, or size aquarium gear.

Use the calculator suite for volume, heaters, stocking, water changes, substrate, tank weight, turnover, CO2, and salinity, then compare species records and compatibility checks.

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Available tools

Calculator suite

Nine aquarium calculators for setup, maintenance, stocking, equipment sizing, planted tanks, and salinity conversion.

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Species database

Thirty freshwater and saltwater species records with tank size, parameters, temperament, group size, and compatibility tags.

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Compatibility checks

Generated same-water-type pair pages answer whether two species can live together with factor-by-factor rules.

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