Kenya tree turning all white

[Mohammad.ki]

Hello pleas help me i get this kenya tree 4 days ago it was look good but closed not open ,but today i saw it it became white all of it white , what is this problem my water quality good
Kh ≈ 7.4 , Mg ≈ 1500 ca≈ 400 nitrate ≈ 25 but after watter change the salinity test give me wrong number ,so i keep adding water untill i see today the tester need ti be cleaned i cheak i get 1.027-1.028 ,so is this the reason why my kenya tree looking white or time is over she died pleas pleas help me

 

[Saltyreef]

You should get your salinity testing and meter figured out before moving onto anything else.
Swinging salinity is a big issue for new reefers.

Good luck!