01-09-2010, 08:33 PM
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Originally Posted by La Reina
The tube does get warm, but not what I'd consider hot.
Is pennywort a good plant? My fish like to nibble so I'd need something hardy. (Also so I don't kill it.)
Pennywort grows very well but it is tender so plant-eating fish would probably enjoy it. But if the nibbling is more like eating food bits and algae from leaves (mollies, pencilfish, lots of fish do this) it will be fine. It grows quite fast, I find I have to prune it every couple of weeks, so this would probably survive any nibblers anyway.