01-14-2008, 03:39 PM
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Hello, I'm new here and first off I'd like to say how helpful this forum seems to be! My father and I had a tank when I was younger and we have had a very large Koi
pond for around 8 years now.
Now for my question, I will be getting a new 29 gallon aquarium around the end of the month. I plan to have it partially planted and have mollies, guppys, tetras, shrimp, all community fish. My question is wether I should use sand or gravel as a substrate? From what I have been told sand is more common with cichlids, and is not good for bottom feeders? It would be great if someone could shed some light on this for me.