I use Aquanotes, which records and graphs all the data from my aquacontrollerII. It's kinda neat to see the trends, how PH rises and falls day& night along with ORP and temp.
Occasionally I log something like a fish having eggs or something. but rarely. I used to keep track of it all by hand when I first started. But that lost it;s luster.
I really should keep track of when I bought bulbs, but I never have.., Has it been a year yet? Hmmm
