Aquarium Keeping

Planning calculators for aquarium keeping — estimates from industry-style inputs.

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Fish count from tank volume, species, and filtration.

CO2 rate for planted aquarium from tank size and plant mass.

PAR and photoperiod for planted and reef aquariums.

Salt quantity from water volume for target salinity.

Heater wattage from tank volume and temperature delta.

GPH needed for tank volume with turnover rate target.

Water change volume and frequency from bioload.

Calcium, alkalinity, and magnesium dosing for reef tanks.

Stand weight capacity from filled tank weight.

Quarantine tank size and medication dosing for new fish.