Build Your Perfect Aquarium

Plan your dream tank with real-time compatibility checking. No more guesswork - just beautiful, healthy aquariums.

Everything You Need

Professional tools for planning your aquarium, from compatibility checks to equipment sizing.

Check if your fish will get along. We track temperament, temperature, pH, and more.

Know exactly how many fish your tank can handle with our bioload calculator.

Get recommendations for the right filter, heater, and lighting for your setup.

Plan your aquascape with plant lighting and CO2 requirements built in.

Full support for both freshwater and marine setups, including reef tanks.

See total costs as you build. No surprises at the checkout.

Four simple steps to your perfect aquarium

Start with your aquarium size and water type

Select filters, heaters, lights, and substrate

Add fish and see real-time compatibility checks

Save your build and share with the community

Join thousands of aquarists who plan their tanks the smart way.