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TankBuddy makes it fun and easy to maintain your aquariums.

TankBuddy visually shows you which tanks are past due for a water change, and displays the most recent pH, NH3/NH4, temperature, and water change recordings.

It provides date-sorted logs for each of your aquariums. Easily add notes for a tank to jot down quick reminders or keep a shopping supply list. Or view pH changes over time.

TankBuddy is also fully customizable: switch between Gallons/Liters, Celsius/Fahrenheit, and customize the pH and NH3/NH4 color coding.

It can even remove old measurements past a certain date.

TankBuddy also features a colorful

What's New

Version 1.0.1:
  • TankBuddy now remembers window size when quitting/launching
  • Added red glow to overdue water change indicator for better visual feedback
  • Tab/arrow keys can now be used to select tanks in your list
  • Added keyboard/menu shortcuts for updating pH, ammonia, temperature, and water change logs
  • Fixed modal behavior in tank stat update sheet


Mac OS X 10.5 or later

*Previously available here

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Current Version (1.x)


Downloads 917
Version Downloads 725
License Free
Date 29 Nov 2009
Platform OS X / PPC 32 / Intel 32
Price Free
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