Aquarium Toolkit
All the practical aquarium calculations you keep needing, with your tank saved once.
Android app — coming soon to Google Play.
What it does
- Tank volume, surface area and water weight for different tank shapes
- Net water volume after substrate and hardscape
- Water change planner, substrate, heater and filter-flow estimates
- CO₂ from pH/KH, GH/KH conversions, unit converter
- Salt mix, lighting, setup budget and a conservative stocking worksheet
- Saved tank profiles reused across every tool
Offline and private
No account, no backend, no ads tracking. Your tanks stay on your device.
Results are planning estimates, not guarantees.