Hello, NaH20
Thanks for your reply. I would like to show additional data of Cortez's tank.
Size: 60gal.(fish only tank, no living rock), Temperature: around 75F, pH: 8.0, No2,NH3/NH4+: not to found, No.3: under 30mg (I change 50-70% water every month), Additional Equipment: Protein Skimmer...