Free Aquarium Tools
Plan Your Tank with Confidence
Two quick calculators to help you size your aquarium setup. Bring your numbers to the store and our staff will match filtration, lighting and stocking to your tank, for free.
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Aquarium Volume Calculator
Most PopularFind out exactly how many gallons your tank holds from its dimensions — essential for stocking, dosing and equipment sizing.
Open Calculator thermostat
Heater Wattage Calculator
Estimate the right heater wattage for your tank volume and room temperature. Two smaller heaters is often safer than one big one.
Open CalculatorNeed Help Sizing Your Setup?
Bring your numbers to the store and our staff will match filtration, lighting and stocking to your tank, free of charge.
Plan My Tank storefront
Open 7 Days a Week
Questions a Calculator Can't Answer?
That is what we are here for. Visit Gulf Coast Aquatics on Bee Ridge Road and talk it through with people who keep fish.
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14-day quarantined fish
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Free water testing
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Free parking