Constantly fighting to keep my Ca up

[gregzz4]

Originally Posted by LeanneP

When I get my ca to go up, I stop dosing alk

Not sure I get what you mean here.
Keep maintaing alk, but add extra ca. Once balanced they should stay that way.
Your tank will use something like 10 times alk to ca, so be sure you are dosing in correct volumes as per product instructions.