Cleaning the glass

[Aquattro]

Originally Posted by Delphinus

I notice that each tank has very different schedules. One tank can't go for more than a day or two before it's too opaque and the other can go as long as two weeks before it gets comparable to the other tank at two days.

And I guess that is the crux of this topic. Why is tank "A" different from "B"? Lighting? FLow? Water quality? Age?

Taking any and all guesses!!