Calcium level

narnor · Oct 21, 2023

Is it normal for my toadstool coral
It was looks good this morning then after I added 2capful of calcium this happened
Any advise
My calcium level was 480
Mg level was 1440

therootcause · Oct 21, 2023

You added two capfuls and by your calculations how should that affect the calcium level in your tank? Was 480 the starting measurement prior to addition.

I have had a leather shed it’s polyps completely. They curled up and fell off. The coral recovered but it was a scary moment.