ok, here's what I'm working with: 75 gal (pH 8.4, Alk 1.7, phosphate 0.2, nitrite 0, nitrate <5, ammonia 0.25, temp 84, salinity 1.023) 2 percula clowns, 1 mandarin goby, 1 yellow head sleeper goby, 1 lawnmower blenny, 1 blue hippo tang, 2 red firefish, 1 longnose hawkfish, multiple...