Setting up the tank again and the sand was for african cichlids. I'm not a massive fan of sand but understand that a lot of fish prefer it. Anyway, does it make any sense to have a small portion of the tank pea gravel instead of the sand? Or have the entire bottom sand and do small pockets of pea gravel sitting on top incase a fish wants to do something with it? Fish will be tetras and then a South American cichlid like green terror, jack dempsey, or such. Thanks.
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