ReefLedger

ReefLedger helps aquarium keepers organize daily tank care without clutter. Create tank records, log water measurements, track fish entries, manage recurring maintenance tasks, and keep a small catalog of equipment, plants, decor, or other notes.
Use ReefLedger as a calm care journal for freshwater or saltwater systems. Review recent water values, see maintenance that needs attention, and keep useful tank details close at hand. Optional settings let you adjust units, motion, haptics, and display preferences.
ReefLedger is designed for personal aquarium tracking. It is not affiliated with any aquarium brand, retailer, or organization.