pleco and sand substrate?

  • We are currently upgrading MFK. thanks! -neo
I've always kept all my plecos on sand and never had a problem. I have a 19" common pleco on sand and he does just fine. But I do agree if you have a larger one with a HOB it will probably ruin it at some point.
 
The biggest problem I have with the two is that their crap tends to float around in
a more visible way.
 
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