Free Tools
4 free tools for coral keeping: volume calculator, lighting (PAR) estimator, layout planner, and more.
Aquarium & Reef Tank
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Aquarium Volume Calculator
Calculate water volume, weight, and heater wattage from tank dimensions
💡Reef Lighting Calculator
Estimate recommended PAR and LED wattage by tank size and coral type (SPS/LPS/soft)
🪸Reef Layout Planner
Get live rock, substrate & beginner-friendly coral suggestions by tank size and style