Folk: one of my acans is sulking in my tank over the past two days. It has always been a happy guy. I did some aquascaping this weekend but all other corals are back happy (as seen in pic) but this guy alone is still shrunk. What should I do?
Water params
Alkalinity: 10
Calcium: 470
Magnesium: 1380
Nitrate: between 5 and 10 ppm (has always been like this) and I don't use rodi water and keep doing 10 gallon water changes every week.
Ph:8.2
Temp:78
Tank is a 30 gallon nano with a 15 gallon sump

Water params
Alkalinity: 10
Calcium: 470
Magnesium: 1380
Nitrate: between 5 and 10 ppm (has always been like this) and I don't use rodi water and keep doing 10 gallon water changes every week.
Ph:8.2
Temp:78
Tank is a 30 gallon nano with a 15 gallon sump


