Water change questions

[Aquattro]

Top off isn't changing, it's topping off evaporation. Also, I'm not one that agrees with small daily changes, as I like to use my water changes to dilute the things that contribute to algae, etc. So I do large biweekly changes, where I'm removing a fair volume of bad things.

But no, whatever method you use, top off isn't considered part of the change.