Yes, high calcium levels when doing a water change will help increase the low Ca levels in the display tank (since the corals have been depleting Ca).
For instance, even if you do a 30% water change, the higher Ca level in your salt probably will only help raise the overall Ca level but not to the point where it exceeds the optimal point. You end up diluting the high Ca level of the new saltwater by mixing it with the old saltwater.
__________________
If you see it, can take care of it, better get it or put it on hold. Otherwise, it'll be gone & you'll regret it!
|