Aquarium calculators (23)

23 free aquarium calculators built by the Fast Aquatics husbandry team. All formulas validated against published reef + freshwater husbandry references.

Aquarium Tank Volume CalculatorNEW Planted Tank CO2 PPM CalculatorNEW Saltwater Salinity ConverterNEW Aquarium Substrate CalculatorNEW Filter Turnover CalculatorNEW Drip Acclimation CalculatorNEW Quarantine Tank Timeline CalculatorNEW Aquarium Evaporation + ATO CalculatorNEW

Planted Tank CO2 Bubble Counter CalculatorTank Cycling ETA CalculatorEI Fertilizer Dosing Calculator (Planted Tanks)Aquarium Electricity Cost CalculatorFishless Cycle Ammonia Dosing CalculatorAquarium Heater Wattage CalculatorReef Tank PAR Target EstimatorAquarium Powerhead + Flow CalculatorReef Tank Build Budget CalculatorReef 2-Part Dosing CalculatorRODI Membrane Life CalculatorSaltwater Salt Mix CalculatorAquarium Tank Stocking CalculatorAquarium Tank Weight CalculatorAquarium Water Change Calculator