Aquarium Diary: Fish Tracker

Keep every aquarium's care in one practical diary. Aquarium Diary helps you record water changes, feeding, filter maintenance and water readings, then plan what comes next.

A SEPARATE RECORD FOR EVERY TANK Add multiple aquariums and keep their volume, setup date, livestock, equipment and care history organized. Archive an aquarium while preserving its records.

REMEMBER THE NEXT TASK Create reminders for water changes, feeding, filter checks or your own care tasks. Schedule several feeding times each day, selected weekdays, one-off tasks, or maintenance that repeats a number of days after completion. Complete, snooze or skip an occurrence.

FOLLOW YOUR WATER READINGS Record temperature, pH, ammonia, nitrite, nitrate, GH, KH and TDS. Set your own target ranges for each aquarium and view changes on charts. Log water changes by volume or percentage, using litres or US gallons.

LIVESTOCK AND FRY Track groups of fish and other aquarium inhabitants. Record fry groups, birth or spawning dates, age and counts. Add observations and photos to your diary.

KEEP YOUR SUPPLIES ORGANIZED Log food, supplies and equipment. Add opening and expiry dates. See products marked low or empty on your shopping list.

YOUR DIARY, WITH YOU No account required. Care records work offline and stay on your device. Export a ZIP backup with your photos and restore it when moving to another phone. Choose English or Turkish, litres or US gallons, and °C or °F.

The app contains advertising. There is no ad-removal purchase or subscription. Internet access is used for advertising and external links; the care diary works offline.

Reminders depend on notification permission, battery settings and your device's operating system. Starter routines are editable drafts. Aquarium Diary is a recordkeeping and planning tool, not an automatic water sensor or an animal health diagnosis service.

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