Hello all:
I have a problem that I have not been able to figure out.
I have a 28gal BF Nano. 24x4 T5 HO lighting. Tunze 9002 skimmer.
Med Aquafuge, Fluval 205 running carbon and phosban (no sponges)
Corals include. 3 Acans, various hammers, Dendro, blasts, zoes, mushrooms, ricordea, 2 acros...