My duncan dont open

[Gumbies R Us]

Welcome to Reef2Reef!

 

[javiergamez2023]

How old is your tank? What other corals do you have? What exactly are your parameters? Are you sure your lights are strong enough?

Over a year old, I have most soft corals or beginner's
Salinity: 1.024
Ph: 7.8-8.1
Ca: 430-450
Kh: 8-10
Mg: 1200-1350
Phosphate: 0.1-0.3
Light, redsea 50 I have on 100% blue for like 4hrs a day, then it's around 60%