my tank is currently not doing so well as my corals are closed mostly my zoas and polyps any help?
Light maxspect r420r 27" 160w
8:00am-0%w 0%b
9:30am- 3%w 10%b
12:30pm- 10%w 25%b
5:00pm- 13%w 25%b
7:00pm- 15%w 40%b
9:00pm- 0%w 0%b
Calcium-440ppm
Kh-9dkh
Phosphates-.0ppm (using api tests so...