I've since moved my refugium (containing Refugium Mud) from my reef tank to my Fish Only set up. Wasn't to thrilled with adding nutrients to the system which would sustain the macro and other algaes, when I'm actually trying to keep nutrients at a bare minimum in my reef tank.
Also, for some reason, while the display tank is barren of nuisance algae, it thrives in (and only in) the refugium (though I can't say for sure that the mud is directly responsible). On a biweekly basis I'm removing nuisance algae and feeding it to my african cichlids (my mbuna's seem to love it!).