Free aquarium tools
Plan your fish, design your planted tank, size your aquarium and work out what is wrong when something goes wrong. All free, no sign-up, and they work on your phone.
Aquascape planner
Design your planted tank in your real tank size. Place plants, rock and wood, pick a style from Nature to Iwagumi, see it grow in, and get a shopping list that only includes plants that will actually fit.
Start designingStocking calculator
Check bioload, compatibility, water parameters and group sizes for any tank before you buy a single fish.
Plan your fishTank size calculator
Add the fish you want and see the tank size they need, before you choose an aquarium.
Find your tank sizeCompatibility checker
Can these two fish live together? Compare temperament, size and water needs for any pair.
Check a pairTank SOS
Fish dying or acting strangely? Answer five quick questions to find the likely cause and what to do now.
Diagnose your tankAxolotl SOS
Diagnose fungus, gill damage, floating, impaction and more, with clear next steps.
Check your axolotlWant these on your phone, offline, with reminders and water test logs? Get the App-aquatic app.
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