How often do you test you aquarium for pH, Ammonia, Water Hardness, Nitrate, Nitrite, and more. When was the last time you did a water change? Feed a new food? Changed the filter media?
It is important that you perform these task. But just as important to keep tract of the results. These MAS Logo notebooks are a great place to tract the results so you have a record of what was done and when it was done.
The note books come in two sizes. 8.3″ x 5.6″ and 8″ x 10″.