Unhealthy corals

[Jnasser]

I have recently i introduced coral to my tank , the tank has been running for more than 6 months . The corals were added 3 weeks ago , however the still don't seem happy and healthy am not sure whats wrong or what to do . I had a structure coral , torch , open brain , palate , stone polip , and a small anemone . The anemone is always closed , torch tentacles are small mostly closes too , rock polip are open but not fully extended plates tentacles are always small too , and the structure never opened.


I never had a spike in nitrate , nitrate or ammonia. I used to have a problem with salinity a week a go it was 1.019 and i gradually increased in in 3 days . It has been 5 days now after increasing salinity


Now parameters are

Salinity between 1.025 - 1.026

Nitrate , nitrate , ammonia always 0

Ph 8.2

Calcium , 445

Mag over 1300

Temp is 26


I have five light settings from sunrise till night time its more white during the day and blue at nught time , i have added some picture not sure if they are clear and setting is below


I have my sump behind the tank so water goes in from the top sides two outlet and in from the middle 4 inlet , with the a wave maker on the top right of the tank


Tank size is 120x60x40 cm


Lights is zet light ZP3600 brightens is from 00 to 32 and my settings is as follow


Dawn : white intensity 5 , blue 10, mix 10 violet 1

Sunrise: white 10 , blue 25 , mix 25, violet 10

Daytime: white 13 , blue 27 , mix 33 , violet 30

Sunset: white 14, blue 22, mix 22, violet 26

Night: white 0, blue18, mix 5 , violet 32

 

[Achilles]

With a swing of salinity so drastic I am not surprised there is stress on the coral. Also What's your alkalinity to me it looks like an alk swing stress ?

 

[prsnlty]

With a swing of salinity so drastic I am not surprised there is stress on the coral. Also What's your alkalinity to me it looks like an alk swing stress ?

+1 Also they need some nitrates. They look hungry. Try target feedings. My lps also don't like to be directly under any led beams of light.

 

[Flippers4pups]

+1 Also they need some nitrates. They look hungry. Try target feedings. My lps also don't like to be directly under any led beams of light.

Yep, starving. Try bringing up your NO3 to 5-10 ppm and PO4 at trace.

 

[Mal11224]

All the above. Gotta have some nutrients in your tank and bring salinity from 1.019 to 1.026 in 3 days is not good for anything in the tank especially if it was low for a while.