LPS not absorbing too much calcium?

[peejay]

Hi folks. I need help with my Ca. I have several LPS in my 400L tank. My current calcium is 534ppm and last week was 529. In short my Ca is ranging from 500 to 540ppm weekly test from my Hanna test kit and im not even dosing Ca. Now, im wondering if my LPS doesnt take any calcium at all, but they all look good and happy. I just dont understand why my calcium is not going down.

Please anyone can help me what to do or am i doing something wrong? :headwalls:

 

[organism]

That's pretty high calcium. What are your other parameters and what are you dosing?

 

[aromano]

are you sure your gravity is where it should be?