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"Jonathan Wood" <[EMAIL PROTECTED]> wrote in news:[EMAIL PROTECTED]: > I don't understand why you wouldn't do it with each water change. Most > hoses sold in the stores for siphoning aquarium water include a tube > designed for vacuuming the gravel. i have a lot of rocks carefully balancing on top of each other and im afraid vacuuming will make the cichlid "hotel" collapse..... Simply start your water siphoning > and run it around the gravel a little bit. I would thing that would > make an enormous difference. > > Jonathan > hi Jonathan, i used to vacuum but stopped after not seeing an *enormous* difference, i really want to create a state of "equilibrium" in the tank, kind of like a bio-sphere, that resembles nature as much as possible.
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