Calcium levels driving me nuts

[bassman]

Originally Posted by Beverly

Totally agree with Steve and Ruth.

One reason Ca might be depleting fast is that your tank bay be growing a lot of coralline algae on rock and tank surfaces. However, that usually requires adequate levels of Mg to do. So, I'm a little stumped.

I do have a fair amount of coraline growing on my rocks and glass right now. Tank is only 6.5 months old.