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Find the right light intensity and photoperiod for your planted aquarium.
Uses PAR values rather than watts for accurate light measurement.
Wattage estimates calibrated for modern LED aquarium lights.
Recommended light duration to prevent algae while growing plants.
Calculate aquarium volume in gallons and liters for rectangular, bowfront, cylinder, and hexagonal tanks. Free tool.
Aquarium & FishkeepingCalculate how many fish your aquarium can safely hold. Based on tank volume, filtration, and fish size. Free tool.
Aquarium & FishkeepingCalculate the right heater wattage for your aquarium based on tank volume and temperature difference. Free tool.
Aquarium & FishkeepingCalculate CO2 levels in your planted aquarium from pH and KH readings. Optimize plant growth. Free tool.
Aquarium & Fishkeeping