My latest (new) tank has a marsh refugium with intertidal grasses... for aesthetics and the fixing of some nutrients...
my workhorse is my (second) Chaetomorpha refugium: growing fast, being harvested (nutrient export and providing a fab matrix for micrococrustaceans in the process
I may add another Gracilaria (small) refugium to recycle nutrients for herbivorous fishes.
Above all... I do like Chaeto tumbling and vigorous.
kindly,
Anth
