市面上有很多產品可以選擇如Kent Marine Superbuffer, Two Little Fishies C-Balance,Seachem Reef Calcium ....等等。
下面有些資料關於鈣的部份給您參考
Calcium
Many corals use calcium to form their skeletons, which are composed primarily of calcium carbonate. The corals get most of the calcium for this process from the water...