Thanks for the replies, Folks! That makes good sense!

I'm not using kalk for replacement water.



Quote Originally Posted by BeakerBob View Post
@Tom@HaslettMI has it right. I usually dose 2x Alk and 1X Ca for my tank.......yours may differ based on coral demand. Are you topping off with Kalk? Kalk will maintain your ratios, but will not correct any imbalances.
Quote Originally Posted by Tom@HaslettMI View Post
Hands down #2 . I almost never dose equal parts of alk and Ca. Always more alk... some days no Ca at all.

Tom