Euphyllia dying one by one

[Khoi_La]

Hi guys,
It has been a frustrated week starting with my gold torch melting without any reason. As of yesterday, my 2 year old frogspawn started to melt and loose 2 heads out of 5. The other 3 are looking as good as ever. But it doesnt stop there. This morning one of my 2 head gold hammer started to melt and im getting really confused and don't know what do to. I havent add anything new to the tank for months. The only thing ive done differently is adding vibrant 4 weeks ago for bubble algae. Is it the cause?
My tank parameter
Salinity: 35 ppt
Ca: 468
Alk: 9.12
Mg: 1484
Monitored by trident and test again with salifert and sera test kits
Ph: 8.14
No3: 20ppm

 

[Khoi_La]

As for my big colony of wall hammer and other frogspawn and torches are doing fine. But im now afraid the others might act up as well

 

[BobbyCline]

Man...I hear bad stuff about Vibrant.

 

[Khoi_La]

Man...I hear bad stuff about Vibrant.

i was hearing so much good reviews about it so i gave it a try. I only use the recommended amount. big mistake. corals are dying and bubble algae are stil in tact

 

[Arabyps]

Check this thread. If all you changed is to start dosing Vibrant, IMO STOP. Do a large water change and wait.

https://www.reef2reef.com/threads/anemones-help-mine-are-dying.805867/

 

[Khoi_La]

Check this thread. If all you changed is to start dosing Vibrant, IMO STOP. Do a large water change and wait.

https://www.reef2reef.com/threads/anemones-help-mine-are-dying.805867/

i did a 20% change last night, anything else i can do to prevent this from spreading to my other large colonies? i've lose enough corals in 2021 already :(

 

[redeyejedi]

Need to know your phosphate level.

 

[Khoi_La]

Need to know your phosphate level.

.03. tested with hanna checker

 

[redeyejedi]

Apart from the slightly higher nitrate. Im not sure. I prefer .01 for phos