Tank Log

Aquarium Log App & Tank Journal

Keep a chronological record of everything that happens in your aquarium. The Tank Log brings together water tests, completed care, feeding, dosing, livestock changes, notes, and photos.

What is an aquarium log?

An aquarium log is a chronological tank journal for water tests, maintenance, feeding, dosing, livestock changes, notes, and progress photos. Keeping those events in one timeline makes it easier to see what changed before a parameter shift or visible response.

Tank Log timeline with completed tasks, dosing, and water parameter readings

What the Tank Log includes

Use the timeline as a reliable memory for each tank and make better decisions with clear context.

Complete activity timeline

See every task, test, and change in one chronological view.

Photos and notes

Add images and quick notes so nothing important gets missed.

Clear patterns over time

Review what happened before a change so you can act with confidence.

One connected history for the whole tank

The Log, Gallery, and Notes tabs keep care activity, photos, and observations attached to the aquarium they describe.

Photo gallery

Store progress photos so you can compare growth and changes.

Notes that stick

Add context for livestock behavior, algae, or maintenance tweaks.

Connected activity history

Review parameter readings, care tasks, dosing, feeding, and livestock changes in chronological order.

More features

Explore more Aquarium Tracker features

Get the app

Keep every activity in one log.

Use Aquarium Tracker to capture tank events, notes, and photos in a single timeline.

Free to useBuilt for aquarium keepersSync across devices

Cookies & analytics

We use cookies to understand how Aquarium Tracker is used. You can decline non-essential tracking and the site will keep working.