Colonies falling I supposed might be an issue for established tanks, in newer ones perhaps they would grow in such a way that the base would be stronger or something *shrug* !
Another question I have, how is the wiring setup? is there a long wire that runs from the powerhead that then connects to power/controller or is the controller has to be located fairly close?
Reason I ask is that in my setup I would have to run it about 7 feet at least, more likely 10 to get the controller inside the stand.
Thanks