Calculator suite
Nine aquarium calculators for setup, maintenance, stocking, equipment sizing, planted tanks, and salinity conversion.
Browse toolsAquarium 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.
Open the toolsAvailable tools
Species database
Thirty freshwater and saltwater species records with tank size, parameters, temperament, group size, and compatibility tags.
Browse speciesCompatibility checks
Generated same-water-type pair pages answer whether two species can live together with factor-by-factor rules.
Browse compatibility