Which one is for Calcium?

[intrudah]

I use Kent Marine Tech-CB PArt A & B to maintain Calcium and Alk levels, My Alk level is a little bit high(5.6 meg/l) Which one should I not use to drop the ALk Part A or Part B?

[ri]

Calcium is the one that does not cloud the water.

ri

[justletmein]

Part A IIRC. Look at the ingredients ;)