Elizabeth Power Posted April 18, 2021 Share Posted April 18, 2021 I have a 20 gallon tank that is heavily planted. Do I still need to vacuum the gravel? Right now I try to do it every time I do a water change which is about every week, sometimes two weeks apart. It's getting harder and harder to do so as the plants fill in more and more of the space, and I add new plants that are not yet established and would be uprooted by vacuuming. I have rock in the center where my corys spend a great deal of their time. Now I mainly just remove the rocks and vacuum where they were sitting. 2 Link to comment Share on other sites More sharing options...
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