Frogspawn and hammer corals are not opening

[lewis.maryann08]

I have a 75 gallon I do weekly water changes of 15 gallon. .
PH 8-1
ALK -9
Phosphate -0
Cal - 480
Nitrates -0

I dose cal mag alk every week do I need to do anything els ? They open a little but barely?

 

[wkscott]

How long have you had them? How long have they acted like this? What type of lighting are they under? Have you changed the lighting recently? Have you noticed a brown jelly on the coral skeletons?

 

[lewis.maryann08]

I have had them a month or so and I have
LED lighting and now brown or anything

 

[wkscott]

These corals require less light than most. Your LEDs may be too bright. Try moving them to less light.

 

[lewis.maryann08]

I did tonight I moved them to the bottom so guess I will see what they do