I have never had any problem using the kind the fish store sells. Probably
have ten or more somewhere in my 55 gal.

Bob
"Doug David" wrote in message
...
I'm new at live plants - will they do okay with lead weights loosely
wrapped
around the bottom? What we planted - I don't recall the name - is a tall
plant with no "root ball" (for lack of a better term) and I could see it
easily floating up out of the fluorite without the lead weights attached.