QUOTE (nanoreefnate @ Nov 11 2009, 09:16 PM)

well then your fuge will get to cramped for it to grow...so how will it takeup phos and nitrate then?
Assuming a BAC ( Big Ass Cheato) consumes P amount of Phos and N amounts of Nitrate then to sustain the BAC status it will still consume P phos and N Nitrates. However if you prune it to some smaller size it will consume p + some delta p to grow and the same for nitrates, where p is some value smaller than P.
I guess what people are saying is that growing chaeto consumes more phos and nitrates than an already BAC, which i can believe.
I hope that made sense but i'll try pruning see if i notice anything different.