Fish behavior, appetite, breathing, and swimming patterns can provide early clues that something has shifted.
Limited aquarium care preview

Learn the First Tank Clues. Unlock Your Personalized Tank Check.
Every aquarium leaves clues in its water readings, fish behavior, and recent changes. This public preview shares a few general care principles. Personalized scoring, recommendations, saved reports, email delivery, and direct support are reserved for paying customers.
Retest a surprising result before making a major aquarium change, especially when the number does not match what you are observing.
Water changes, new livestock, feeding, cleaning, medications, and equipment issues can help explain why tank conditions moved.
Paid member access
Unlock Your Aquarium Dashboard.
Paying customers receive the interactive Tank Check, preliminary risk report, searchable aquarium profiles, smart prefill, saved history, report delivery, and private aquarium support based on their eligible plan or service purchase.
