Quote Originally Posted by LilyPad View Post
They asked because exact numbers are much more helpful in figuring out the issue than "in normal range." Normal and optimal are not always the same thing.

Oh i understand completely.. just get irritated when something is wrong and it could be all these things... I am beginning to believe something is off with my numbers.. cause just realized there is a white foam at the top of the tank.. That usually means numbers are off correct? But why wouldthe test kit give me normal range numbers.. im so confused.