Currently, the size of my DSB is restricted only by the large amount of LR in the aquarium. I can remove live rocks to increase the size of my DSB. Is this how NNR is accomplished without algal filtration? To answer your earlier question, I do not want to add macroalgae to my refugium because of my bad luck in ordering it. My order of Gracilaria parvispora from Hawaii arrived with Aiptasia. My order of Chaetomorpha from the East Coast arrived with Caulerpa. Unfortunately, there are no local fish stores in my corner of Colorado. My refugium cannot accommodate another DSB because I designed it to provid
